Chapter 1 - Math 7 Review

Selena babysits on the weekends. The equation y = 12x represents the amount of money she earns. What is the constant of proportionality?

• 10

• 12

• 6/2

• 24

• 26

• 18

• 6.5

• 3.18

A fox can run at a speed of 42 miles per hour. How many feet per second is this?

• 42 ft/s

• 1,232 ft/s

• 61.6 ft/s

• 3,696 ft/s

Martin can travel 174 miles in 3 hours. At this rate, how far can he travel in 7 hours?

• 14 miles

• 58 miles

• 17 miles

• 406 miles

If it takes 4 gallons of gas to drive 92 miles, how many miles can be driven using 6 gallons of gas?

• 17 miles

• 138 miles

• 582 miles

• 23 miles

• A

• B

• C

• D

• A

• B

• C

• D

• 65 mph

• 67.5 mph

• 68 mph

• 70 mph

A dolphin can swim up to 40 miles per hour. What is this speed in feet per hour?

• 7 feet per hour

• 20,800 feet per hour

• 10,560 feet per hour

• 211,200 feet per hour

• 5

• 8

• 12

• 18