<< Chapter < Page Chapter >> Page >

Translate the word phrase into an algebraic expression:

427 miles per h hours

x students to 3 teachers

y dollars for 18 hours

Solution

427 miles per h hours
Write as a rate. 427 miles h hours
x students to 3 teachers
Write as a rate. x students 3 teachers
y dollars for 18 hours
Write as a rate. $ y 18 hours
Got questions? Get instant answers now!
Got questions? Get instant answers now!

Translate the word phrase into an algebraic expression.

689 miles per h hours y parents to 22 students d dollars for 9 minutes

  1. 689 mi/ h hours
  2. y parents/22 students
  3. $ d /9 min

Got questions? Get instant answers now!

Translate the word phrase into an algebraic expression.

m miles per 9 hours x students to 8 buses y dollars for 40 hours

  1. m mi/9 h
  2. x students/8 buses
  3. $ y /40 h

Got questions? Get instant answers now!

Practice makes perfect

Write a Ratio as a Fraction

In the following exercises, write each ratio as a fraction.

28 ounces to 84 ounces

1 3

Got questions? Get instant answers now!

246 milligrams to 45 milligrams

82 15

Got questions? Get instant answers now!

304 milligrams to 48 milligrams

Got questions? Get instant answers now!

total cholesterol of 175 to HDL cholesterol of 45

35 9

Got questions? Get instant answers now!

total cholesterol of 215 to HDL cholesterol of 55

Got questions? Get instant answers now!

Write a Rate as a Fraction

In the following exercises, write each rate as a fraction.

140 calories per 12 ounces

35 calories 3 ounces

Got questions? Get instant answers now!

180 calories per 16 ounces

Got questions? Get instant answers now!

8.2 pounds per 3 square inches

41 lbs 15 sq. in .

Got questions? Get instant answers now!

9.5 pounds per 4 square inches

Got questions? Get instant answers now!

488 miles in 7 hours

488 miles 7 hours

Got questions? Get instant answers now!

$595 for 40 hours

$119 8 hours

Got questions? Get instant answers now!

$798 for 40 hours

Find Unit Rates In the following exercises, find the unit rate. Round to two decimal places, if necessary.

Got questions? Get instant answers now!

140 calories per 12 ounces

11.67 calories/ounce

Got questions? Get instant answers now!

180 calories per 16 ounces

Got questions? Get instant answers now!

8.2 pounds per 3 square inches

2.73 lbs./sq. in.

Got questions? Get instant answers now!

9.5 pounds per 4 square inches

Got questions? Get instant answers now!

488 miles in 7 hours

69.71 mph

Got questions? Get instant answers now!

$595 for 40 hours

$14.88/hour

Got questions? Get instant answers now!

576 miles on 18 gallons of gas

32 mpg

Got questions? Get instant answers now!

435 miles on 15 gallons of gas

Got questions? Get instant answers now!

43 pounds in 16 weeks

2.69 lbs./week

Got questions? Get instant answers now!

46 beats in 0.5 minute

92 beats/minute

Got questions? Get instant answers now!

The bindery at a printing plant assembles 96,000 magazines in 12 hours. How many magazines are assembled in one hour?

8,000

Got questions? Get instant answers now!

The pressroom at a printing plant prints 540,000 sections in 12 hours. How many sections are printed per hour?

Got questions? Get instant answers now!

Find Unit Price

In the following exercises, find the unit price. Round to the nearest cent.

Soap bars at 8 for $8.69

$1.09/bar

Got questions? Get instant answers now!

Soap bars at 4 for $3.39

Got questions? Get instant answers now!

Women’s sports socks at 6 pairs for $7.99

$1.33/pair

Got questions? Get instant answers now!

Men’s dress socks at 3 pairs for $8.49

Got questions? Get instant answers now!

Snack packs of cookies at 12 for $5.79

$0.48/pack

Got questions? Get instant answers now!

Granola bars at 5 for $3.69

Got questions? Get instant answers now!

CD-RW discs at 25 for $14.99

$0.60/disc

Got questions? Get instant answers now!

The grocery store has a special on macaroni and cheese. The price is $3.87 for 3 boxes. How much does each box cost?

$1.29/box

Got questions? Get instant answers now!

The pet store has a special on cat food. The price is $4.32 for 12 cans. How much does each can cost?

Got questions? Get instant answers now!

In the following exercises, find each unit price and then identify the better buy. Round to three decimal places.

Questions & Answers

what is phylogeny
Odigie Reply
evolutionary history and relationship of an organism or group of organisms
AI-Robot
ok
Deng
what is biology
Hajah Reply
the study of living organisms and their interactions with one another and their environments
AI-Robot
what is biology
Victoria Reply
HOW CAN MAN ORGAN FUNCTION
Alfred Reply
the diagram of the digestive system
Assiatu Reply
allimentary cannel
Ogenrwot
How does twins formed
William Reply
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
what is genetics
Josephine Reply
Genetics is the study of heredity
Misack
how does twins formed?
Misack
What is manual
Hassan Reply
discuss biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles
Joseph Reply
what is biology
Yousuf Reply
the study of living organisms and their interactions with one another and their environment.
Wine
discuss the biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles in an essay form
Joseph Reply
what is the blood cells
Shaker Reply
list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
Abdullahi Reply
advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
Abdullahi
cell theory state that every organisms composed of one or more cell,cell is the basic unit of life
Abdullahi
is like gone fail us
DENG
cells is the basic structure and functions of all living things
Ramadan
What is classification
ISCONT Reply
is organisms that are similar into groups called tara
Yamosa
in what situation (s) would be the use of a scanning electron microscope be ideal and why?
Kenna Reply
A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
Hilary
Got questions? Join the online conversation and get instant answers!
Jobilize.com Reply
Practice Key Terms 4

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Prealgebra. OpenStax CNX. Jul 15, 2016 Download for free at http://legacy.cnx.org/content/col11756/1.9
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Prealgebra' conversation and receive update notifications?

Ask