4.18 Ratios & Rates STAAR REVIEW

RATIOS & RATES

REMEMBER...

FINDING UNIT RATE​

Multiple Choice

Your family goes to the Football game and paid $75 for 15 hamburgers. Choose the correct unit rate per hamburger:

• $20/hamburger
• $10/hamburger
• $15/hamburger
• $5/hamburger

Multiple Choice

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Multiple Choice

The graphs shows earnings for bicycle rental over time. Find the cost of renting a bicycle for one hour.

• $0.50 per hour

• $2 per hour

• $4 per hour

• $8 per hour

Multiple Choice

What is the unit rate (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Multiple Choice

A company charges $2.95 for 24 bottles of water. What is the cost per bottle of water?

• $0.12 per bottle

• $8.14 per bottle

• $0.25 per bottle

• $1.12 per bottle

Now, use the unit rate to solve the next two problems.

Multiple Choice

One snowy day, the snow was falling at a rate of 3 inches per hour.  If it kept snowing at the same rate, now many inches would accumulate in 2½ hours

• 7 ½  inches
• 6 ½ inches
• 5 ½ inches

Multiple Choice

A machine can pack 70 boxes of spaghetti in 5 minutes. At this rate, how many boxes can they pack in 8 minutes.

• 35 boxes
• 14 boxes
• 112 boxes
• 560 boxes

REMEMBER...

Ratios and Proportions

Multiple Choice

The local Rec League orders 8 soccer balls for every 12 students. The table shows how many soccer balls the league orders for a certain numbers of students. How many soccer balls do you predict the league would order for 48 students?

• 36

• 40

• 32

Multiple Choice

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento
• Velveeta

Multiple Choice

Which rate is equivalent to 6 miles per gallon?

• 30 miles to 6 gallons
• 24 miles to 8 gallons
• 18 miles to 3 gallons

Multiple Choice

• A

• B

• C

• D

Multiple Choice

In an animal shelter, the ratio of cats to dogs is 3 to 5. If there are 25 dogs at the shelter, how many TOTAL ANIMALS do they have at the shelter?

• 15
• 40

• 28

• 25

Multiple Choice

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2
• 3 to 5
• 5 to 10
• 5 to 3

Multiple Choice

If it costs $15.00 for 6 gallons of gasoline, how much will it cost for 8 gallons?

• $48.00

• $2.50

• $20.00

• $11.25

Multiple Choice

Jack and Jill are saving money for a trip. Jack saves $7 for every $10 Jill saves. If Jill has $350 in her account, then how much money does Jack have?

• $245

• $236

• $210

Multiple Choice

• $300

• $350

• $280

• $265