# 6.2 Solve general applications of percent  (Page 4/7)

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## Key concepts

• To translate a percent problem, first write an equation and then solve it. See [link] .
• Percents can be used to solve many types of problems. The strategy is to write a sentence that gives the information, translate it to an equation, and solve using algebra. See [link] .
• Some percent problems involve finding percent increase or decrease, which is the difference between a new amount and an original amount. See [link] .

## Practice makes perfect

Translate and Solve Basic Percent Equations

In the following exercises, translate and solve.

What number is $\text{45%}$ of $120?$

54

What number is $\text{65%}$ of $100?$

What number is $\text{24%}$ of $112?$

26.88

What number is $\text{36%}$ of $124?$

$\text{250%}$ of $65$ is what number?

162.5

$\text{150%}$ of $90$ is what number?

$\text{800%}$ of $2,250$ is what number?

18,000

$\text{600%}$ of $1,740$ is what number?

$28$ is $\text{25%}$ of what number?

112

$36$ is $\text{25%}$ of what number?

$81$ is $\text{75%}$ of what number?

108

$93$ is $\text{75%}$ of what number?

$\text{8.2%}$ of what number is $\text{2.87}?$

$35 $\text{6.4%}$ of what number is $\text{2.88}?$ $\text{11.5%}$ of what number is $\text{108.10}?$$940

$\text{12.3%}$ of what number is $\text{92.25}?$

What percent of $260$ is $78?$

30%

What percent of $215$ is $86?$

What percent of $1,500$ is $540?$

36%

What percent of $1,800$ is $846?$

$30$ is what percent of $20?$

150%

$50$ is what percent of $40?$

$840$ is what percent of $480?$

175%

$790$ is what percent of $395?$

Solve Applications of Percents

In the following exercises, solve the applications of percents.

Geneva treated her parents to dinner at their favorite restaurant. The bill was $\text{74.25}.$ She wants to leave $\text{16%}$ of the total bill as a tip. How much should the tip be?

$11.88 When Hiro and his co-workers had lunch at a restaurant the bill was $\text{90.50}.$ They want to leave $\text{18%}$ of the total bill as a tip. How much should the tip be? Trong has $\text{12%}$ of each paycheck automatically deposited to his savings account. His last paycheck was $\text{2,165}.$ How much money was deposited to Trong's savings account?$259.80

Cherise deposits $\text{8%}$ of each paycheck into her retirement account. Her last paycheck was $\text{1,485}.$ How much did Cherise deposit into her retirement account?

One serving of oatmeal has $8$ grams of fiber, which is $\text{33%}$ of the recommended daily amount. What is the total recommended daily amount of fiber?

24.2 grams

One serving of trail mix has $67$ grams of carbohydrates, which is $\text{22%}$ of the recommended daily amount. What is the total recommended daily amount of carbohydrates?

A bacon cheeseburger at a popular fast food restaurant contains $2,070$ milligrams (mg) of sodium, which is $\text{86%}$ of the recommended daily amount. What is the total recommended daily amount of sodium?

2,407 grams

A grilled chicken salad at a popular fast food restaurant contains $650$ milligrams (mg) of sodium, which is $\text{27%}$ of the recommended daily amount. What is the total recommended daily amount of sodium?

The nutrition fact sheet at a fast food restaurant says the fish sandwich has $380$ calories, and $171$ calories are from fat. What percent of the total calories is from fat?

45%

The nutrition fact sheet at a fast food restaurant says a small portion of chicken nuggets has $190$ calories, and $114$ calories are from fat. What percent of the total calories is from fat?

how can chip be made from sand
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yeah
Joseph
Hello, if I study Physics teacher in bachelor, can I study Nanotechnology in master?
no can't
Lohitha
where we get a research paper on Nano chemistry....?
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
Ali
what are the products of Nano chemistry?
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
hey
Giriraj
Preparation and Applications of Nanomaterial for Drug Delivery
revolt
da
Application of nanotechnology in medicine
has a lot of application modern world
Kamaluddeen
yes
narayan
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ya I also want to know the raman spectra
Bhagvanji
I only see partial conversation and what's the question here!
what about nanotechnology for water purification
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Damian
yes that's correct
Professor
I think
Professor
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
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Rafiq
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Damian
How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
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Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
how did you get the value of 2000N.What calculations are needed to arrive at it
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A soccer field is a rectangle 130 meters wide and 110 meters long. The coach asks players to run from one corner to the other corner diagonally across. What is that distance, to the nearest tenths place.
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What is the expressiin for seven less than four times the number of nickels
How do i figure this problem out.
how do you translate this in Algebraic Expressions
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Shanjida
I think if critical temperature denote high temperature then a liquid stats boils that time the water stats to evaporate so some moles of h2o to up and due to high temp the bonding break they have low density so it can be a reason
s.
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
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