Concept explainers
An appropriate unit to describe the highway speed of a car and the speed of a crawling caterpillar.
Explanation of Solution
If the average speed of a caterpillar were measure by using a stop watch and a ruler to measure how many inches the caterpillar moves after a given number of seconds. So this speed would be best measured in inches per second.
If the average speed of a car on a highway were measure by using the odometer to determine the number of miles that were driven in a given amount of time. So the unit used in this case would be miles per hour.
The rate of a car is faster than a caterpillar. The rate of car is best described by miles per hour and the rate of the caterpillar is best described by inches per second. So, cannot use same unit for each situation.
Chapter 8 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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