Constant Rate and Average Speed Problems

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

• 6 hours

• 8 hours

• 4 hours

• 12 hours

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

• Working quickly.

• Doing the whole problem in your head.

• Drawing diagrams.

• Memorizing the average speeds of different trains.

If you travel 10 miles in 5 minutes, what is your speed?

• 10 mi/min

• 15 mi/min

• 50 mi/min

• 2 mi/min

If a robot chases you down at a speed of 900 m/s for a distance of 200 m. How long has the robot been chasing you?

• 0.22 s

• 4.5 s

• 180000 s

How far will a train moving at 5.7 km/min go in 45 minutes?

• 256.5 km

• 0.12 km

• 7.89 km

Sarah walked at a constant speed of 20 blocks per hour. If she walked for 30 minutes how many blocks did she walk?

• 60 blocks

• 15 blocks

• 10 blocks

Harry ran for 2 hours. If he ran a total of 6 miles, what was his speed? (think miles per hour)

• 2 miles per hour

• 12 miles per hour

• 3 miles per hour

Maggie lives 15 km away from her friend. If she walks at a constant speed of 5 km per hour, how long will it take her to get to her friends house?

• 2 hours

• 3 hours

• 2.5 hours

• 3 km/hour

Tom is driving a remote control car at a constant speed. He starts the timer when the car is 5 feet away. After 2 seconds, the car is 35 feet away.

• slope and y-intercept

• slope and a point

• two points

Identify the independent variable (x).

Tom is driving a remote control car at a constant speed. He starts the timer when the car is 5 feet away. After 2 seconds, the car is 35 feet away.

• type of car

• distance (feet)

• time (seconds)