Complex Fractions, Unit Rates, & Converting Unit Rates

Simplify:

 $\frac{1}{\frac{1}{4}}$  

• 4
  

• 1/4

• -4

• 3

Simplify:

 $\frac{12}{\frac{3}{5}}$  

• 10
  

• 15
  

• 20

• 5

Simplify:
 $\frac{9}{10}$   $\div$  9

• 1/10

• 1/9

• 1/5

• 1/2

A swordfish can swim at a rate of 60 miles per hour. How many feet per hour is this?

• 400,000 ft/hr

• 316,800 ft/hr

• 300,000 ft/hr

• 200,000 ft/hr

Marvin walks at a speed of 7 feet per second. How many feet per hour is this?

• 30,000 ft/hr

• 20,000 ft/hr

• 25,200 ft/hr

• 27,500 ft/hr

A gull can fly at a speed of 22 miles per hour. About how many feet per hour can the gull fly?

• 118,000 ft/hr

• 120,000 ft/hr

• 116,160 ft/hr

• 130,000 ft/hr

A go-kart's top speed is 607,200 feet per hour. What is the speed in miles per hour?

• 115 mi/hr

• 120 mi/hr

• 110 mi/hr

• 105 mi/hr

Adrienne biked 24 miles in 4 hours. If she biked at a constant speed, how many miles did she ride in one hour?

• 6 mi/hr

• 8 mi/hr

• 4 mi/hr

• 10 mi/hr

Find each unit rate. Round to the nearest hundredth if necessary.

$300 for 6 hours

• $60 per hour

• $40 per hour

• $50 per hour

• $70 per hour

Find each unit rate. Round to the nearest hundredth if necessary.

220 miles on 8 gallons

• 30 miles per gallon

• 27.5 miles per gallon

• 20 miles per gallon

• 25 miles per gallon