Distance, Time and Rate

Joanna drives for 400km at an average speed of 80km/h. How long was her journey?

• Joanna's journey was 5hrs long

• Joanna's journey was 10hrs long

• Joanna's journey was 20hrs long

• Joanna's journey was 15hrs long

Alan travels 100 km in 5hrs. Find his average speed in km/h

• 5km/hr

• 10km/hr

• 50km/hr

• 20km/hr

What is the speed of a cheetah that travels 112.0 m in 4.0 s?

• 0.0357 m/s

• 28 m/s

• 0.036 m/s

• 28.0 m/s

Avery likes to walk 30 feet in 10 seconds. What is her speed?

• 3 feet/sec

• 6 feet/sec

• 10 feet/sec

• 2 feet/sec

If a car travels at 40 km/hr for 4 hours, how much distance has it covered?

• 160 km

• 140 km

• 120 km

• 100 km

• 21 miles

• 28 miles

• 17 miles

• 31 miles

Answer explanation

If you got 28 miles as your answer, you were close. 28 is the unit rate of 28 miles per hour. The next step would have been to find 3/4 of 28, which is 21.

Shawn takes a trip on a train that travels at a rate of 95 miles per hour. WHich set of ordered pairs represents the train's distance over time?

• (1,95), (2, 96), (3,97), (4, 98)

• (1,95), (1, 190), (1,285), (1,380)

• (1,95), (2, 95), (3, 95), (4, 95)

• (1,95), (2,190), (3, 285), (4, 380)

Jeff ran 6 miles in 4 hours. At this rate, how many miles will he run in 6 hours?

Mathematical Equivalence

ON

A hot air balloon travels 18 miles in 3 hours.  At this rate how many miles will the hot air balloon travel in 3/4 hour?

• 4.5

• 6

• 11.5

• 13.5

Lyndsi ran two miles in 16 minutes. If she continued to run at the same rate, how far would she have to run after 28 minutes?

• .125 miles

• 3.5 miles

• 32 miles

• 56 miles