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In the following exercises, convert each fraction to a percent.

According to the Centers for Disease Control, 2 5 of adults do not take a vitamin or supplement.

40%

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According to the Centers for Disease Control, among adults who do take a vitamin or supplement, 3 4 take a multivitamin.

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In the following exercises, translate and solve.

What number is 46% of 350 ?

161

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120% of 55 is what number?

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84 is 35% of what number?

240

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15 is 8% of what number?

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200% of what number is 50 ?

25

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7.9% of what number is $4.74 ?

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What percent of 120 is 81.6 ?

68%

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What percent of 340 is 595 ?

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Solve General Applications of Percents

In the following exercises, solve.

When Aurelio and his family ate dinner at a restaurant, the bill was $83.50 . Aurelio wants to leave 20% of the total bill as a tip. How much should the tip be?

$16.70

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One granola bar has 2 grams of fiber, which is 8% of the recommended daily amount. What is the total recommended daily amount of fiber?

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The nutrition label on a package of granola bars says that each granola bar has 190 calories, and 54 calories are from fat. What percent of the total calories is from fat?

28.4%

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Elsa gets paid $4,600 per month. Her car payment is $253 . What percent of her monthly pay goes to her car payment?

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In the following exercises, solve.

Jorge got a raise in his hourly pay, from $19.00 to $19.76 . Find the percent increase.

4%

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Last year Bernard bought a new car for $30,000 . This year the car is worth $24,000 . Find the percent decrease.

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Solve Sales Tax, Commission, and Discount Applications

In the following exercises, find

  1. the sales tax
  2. the total cost

The cost of a lawn mower was $750 . The sales tax rate is 6% of the purchase price.

  1. ⓐ $45
  2. ⓑ $795

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The cost of a water heater is $577 . The sales tax rate is 8.75% of the purchase price.

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In the following exercises, find the sales tax rate.

Andy bought a piano for $4,600 . The sales tax on the purchase was $333.50 .

7.25%

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Nahomi bought a purse for $200 . The sales tax on the purchase was $16.75 .

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In the following exercises, find the commission.

Ginny is a realtor. She receives 3% commission when she sells a house. How much commission will she receive for selling a house for $380,000 ?

$11,400

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Jackson receives 16.5% commission when he sells a dinette set. How much commission will he receive for selling a dinette set for $895 ?

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In the following exercises, find the rate of commission.

Ruben received $675 commission when he sold a $4,500 painting at the art gallery where he works. What was the rate of commission?

15%

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Tori received $80.75 for selling a $950 membership at her gym. What was her rate of commission?

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In the following exercises, find the sale price.

Aya bought a pair of shoes that was on sale for $30 off. The original price of the shoes was $75 .

$45

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Takwanna saw a cookware set she liked on sale for $145 off. The original price of the cookware was $312 .

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In the following exercises, find

  1. ⓐ the amount of discount and
  2. ⓑ the sale price.

Nga bought a microwave for her office. The microwave was discounted 30% from an original price of $84.90 .

  1. $25.47
  2. $59.43

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Jarrett bought a tie that was discounted 65% from an original price of $45 .

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Questions & Answers

differentiate between demand and supply giving examples
Lambiv Reply
differentiated between demand and supply using examples
Lambiv
what is labour ?
Lambiv
how will I do?
Venny Reply
how is the graph works?I don't fully understand
Rezat Reply
information
Eliyee
devaluation
Eliyee
t
WARKISA
hi guys good evening to all
Lambiv
multiple choice question
Aster Reply
appreciation
Eliyee
explain perfect market
Lindiwe Reply
In economics, a perfect market refers to a theoretical construct where all participants have perfect information, goods are homogenous, there are no barriers to entry or exit, and prices are determined solely by supply and demand. It's an idealized model used for analysis,
Ezea
What is ceteris paribus?
Shukri Reply
other things being equal
AI-Robot
When MP₁ becomes negative, TP start to decline. Extuples Suppose that the short-run production function of certain cut-flower firm is given by: Q=4KL-0.6K2 - 0.112 • Where is quantity of cut flower produced, I is labour input and K is fixed capital input (K-5). Determine the average product of lab
Kelo
Extuples Suppose that the short-run production function of certain cut-flower firm is given by: Q=4KL-0.6K2 - 0.112 • Where is quantity of cut flower produced, I is labour input and K is fixed capital input (K-5). Determine the average product of labour (APL) and marginal product of labour (MPL)
Kelo
yes,thank you
Shukri
Can I ask you other question?
Shukri
what is monopoly mean?
Habtamu Reply
What is different between quantity demand and demand?
Shukri Reply
Quantity demanded refers to the specific amount of a good or service that consumers are willing and able to purchase at a give price and within a specific time period. Demand, on the other hand, is a broader concept that encompasses the entire relationship between price and quantity demanded
Ezea
ok
Shukri
how do you save a country economic situation when it's falling apart
Lilia Reply
what is the difference between economic growth and development
Fiker Reply
Economic growth as an increase in the production and consumption of goods and services within an economy.but Economic development as a broader concept that encompasses not only economic growth but also social & human well being.
Shukri
production function means
Jabir
What do you think is more important to focus on when considering inequality ?
Abdisa Reply
any question about economics?
Awais Reply
sir...I just want to ask one question... Define the term contract curve? if you are free please help me to find this answer 🙏
Asui
it is a curve that we get after connecting the pareto optimal combinations of two consumers after their mutually beneficial trade offs
Awais
thank you so much 👍 sir
Asui
In economics, the contract curve refers to the set of points in an Edgeworth box diagram where both parties involved in a trade cannot be made better off without making one of them worse off. It represents the Pareto efficient allocations of goods between two individuals or entities, where neither p
Cornelius
In economics, the contract curve refers to the set of points in an Edgeworth box diagram where both parties involved in a trade cannot be made better off without making one of them worse off. It represents the Pareto efficient allocations of goods between two individuals or entities,
Cornelius
Suppose a consumer consuming two commodities X and Y has The following utility function u=X0.4 Y0.6. If the price of the X and Y are 2 and 3 respectively and income Constraint is birr 50. A,Calculate quantities of x and y which maximize utility. B,Calculate value of Lagrange multiplier. C,Calculate quantities of X and Y consumed with a given price. D,alculate optimum level of output .
Feyisa Reply
Answer
Feyisa
c
Jabir
the market for lemon has 10 potential consumers, each having an individual demand curve p=101-10Qi, where p is price in dollar's per cup and Qi is the number of cups demanded per week by the i th consumer.Find the market demand curve using algebra. Draw an individual demand curve and the market dema
Gsbwnw Reply
suppose the production function is given by ( L, K)=L¼K¾.assuming capital is fixed find APL and MPL. consider the following short run production function:Q=6L²-0.4L³ a) find the value of L that maximizes output b)find the value of L that maximizes marginal product
Abdureman
types of unemployment
Yomi Reply
What is the difference between perfect competition and monopolistic competition?
Mohammed
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Source:  OpenStax, Prealgebra. OpenStax CNX. Jul 15, 2016 Download for free at http://legacy.cnx.org/content/col11756/1.9
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