Finding Distance, Rate, and Time

If distance = rate x time, which of the following must also be true?

• a. rate = distance x time

• b. Time = distance/rate

• c. Distance = rate/time

• d. Time = rate/distance

If a train travels at a speed of 100 km/hr, how far will it travel in half on hour?

• a. 100 km

• b. 50 km

• c. 25 km

• d. 10 km

If a jogger runs a 10 km race in 60 minutes, what is her average speed?

• a. 10 km/hr

• b. 5 km/hr

• c. 6 km/hr

• d. 1.66 km/hr

An aircraft carrier travels a distance of 1,000 kilometers in three days. What is its average rate of speed?

• a. 1,000 km/hr

• b. 3,000 km/hr

• c. 333.3 km/hr

• d. 13.9 km/hr

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

• a. 160 km

• b. 140 km

• c. 120 km

• d. 100 km

A train leaves New York traveling at a speed of 90 km/hr. How much distance will it cover in 5 hours?

• a. 45 km

• b. 450 km

• c. 180 km

• d. 18 km

If a train travels 1,600 km in 16 hours, how fast is it moving?

• a. 60 km/hr

• b. 100 km/hr

• c. 120 km/hr

• d. 90 km/hr

If a person ran 32 kilometers at a rate of 8 km/hr, how long did he run?

• a. 6 hours

• b. 8 hours

• c. 4 hours

• d. 12 hours

A crosstown bus travels 8 kilometers in 45 minutes. What is its average rate of speed?

• a. 4 km/hr

• b. 6.67 km/hr

• c. 8 km/hr

• d. 10.67 km/hr

Which of the following steps is important in solving distance, rate and time problems?

• a. Work quickly

• b. Doing whole problems in your head

• c. Drawing diagrams

• d. Memorizing the average speeds of different trains