Rates Ratio Proportions Review

What is the ratio of sandals/ flip flops to the total number in class?

• 1:4

• 3:8

• 6:2

• 16:6

Write the ratio as a fraction in simplest form. 16 to 64

• 32/8

• 8/32

• 4/1

• 1/4

Write the equivalent rates by filling in the missing information.

• x= $5.00

• x= $8.5

• x= $340.00

• x= $2720.00

Write the equivalent rates by filling in the missing information.

• x= 1347.5 feet

• x= 27.5 feet

• x= 110 feet

• x= 2 feet

It costs $32.20 for 5 hoagies. What is the cost per hoagie?

• $161

• $6.44

• $6.00

• $12.00

In 2 hours, you can paint 9 boards. How many boards can you paint per hour?

• 12 boards

• 5 boards

• 4.5 boards

• 18 boards

The car can go 480 miles on 15 gallons of gas. How many miles per gallon can the car go?

• 48 mpg

• 32 mpg

• 7200 mpg

• 465 mpg

Determine if the relationships shown is proportional. If so, state the constant of proportionality.

• not proportional

• Yes, k= 2.5

• Yes, k= 2/5

• Yes, k= 5

Determine if the relationships shown is proportional. If so, state the constant of proportionality.

• not proportional

• Yes, k= 6

• Yes, k=10

• Yes, k= 22

Find the constant of proportionality y = ⅞ x

• k = 7

• k = 8

• k = 7/8

• None