Average Rate Word Problems

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change? 

• 200

• 150

• 300

• 75

At 0 seconds, Mrs. Taylor was 10 feet off the ground.  At 5 seconds, she was 20 feet off the ground.  What is her rate in feet per second?

• 10 feet per second

• 5 feet per second

• 2 feet per second

• 6 feet per second

A rocket is 1.5 miles above the Earth in 20 seconds and is 8 miles above the Earth in 2 minutes. What is the rocket's rate of change in miles per second?

• 0.065 mps

• 0.361 mps

• 3.892 mps

• 4.145 mps

The Jamison family kept a log of the distance they traveled during a trip, as represented by the graph below. During which interval was their average speed the greatest?

• the first hour to the second hour

• the second hour to the fourth hour

• the sixth hour to the eighth hour

• the eighth hour to the tenth hour

Find the average rate of change of Pete's height from 3 years old to 5 years old.

• 2 inches per year

• 8 inches per year

• 2 years

• 4 inches per year

• hour

• -75

• yards

• 75

• feet

• 1

A company produces 500 units of a product in 8 hours. What is the average rate of production per hour?

• 100

• 75

• 50

• 62.5

A weather balloon rose from a height of 100 m to 400 m in 3 minutes. What was the balloon’s rate of change?

• 33.3 meters/minute

• 100 meters/minute

• 133.3 meters/minute

• 166.7 meters/minute

What is the average rate of change between 1 p.m. and 6 p.m.? Round to the nearest tenth.

Mathematical Equivalence

ON

Issa flew 600 miles in 120 minutes. How many miles per minute did she fly?

• 5 miles per minute

• 0.2 miles per minute

• 3 miles per minute

• 6 miles per minute