Rates, Unit Rates, Conversions EC

A unit rate is a ratio in fraction form that has a _____________________________ of 1.

• numerator
• bottom number
• fraction
• denominator

Lori drove 141 miles in 3 hours. What was Lori’s average rate of speed?

• 45 mph

• 47 mph

• 48 mph

• 52 mph

345 ft/min = ________ ft/hour

• 20,700 feet/hour

• 5.75 feet/hour

• 3.45 feet/hour

64 miles/hour ≈ ___________feet/second

• 337,902 feet / second
• 93.86 feet / second
• 5632 feet / second

Mrs. Solomon jogs at a rate of 7.5 miles per hour. How many miles per minute does Mrs. Solomon jog? 

• 0.125 mi/min
• 12.5 mi/min
• 0.125 mi/h
• 125 mi/h

Round to the nearest hundredth if necessary.

110 mi/h = _____________ mi/day    

• 5620
• 26.4
• 9556
• 2,640

Round to the nearest tenth if necessary.

660 ft/min = ____________ ft/s 

• 1.1
• 11
• .11
• 111

32 gal/min = _________ qt/h. Round to the nearest tenth if necessary.

• 1920 qt/h

• 7,680 qt/h

• 128 qt/h

• .5 qt/h

3.4 mi/h = _________ ft/sec. Round to the nearest tenth if necessary.

• 40.8 ft/s

• 81.6 ft/s

• 0.3 ft/s

• 5 ft/s

2.1 yd/min = _________ ft/sec. Round to the nearest tenth if necessary.

• 25.2 ft/s

• 126 ft/s

• 0.1 ft/s

• 0.35 ft/s