Concept explainers
To find: The correct situation in which rate
Answer to Problem 29HP
The correct situation is situation (b):x is unchanged; y increases.
Explanation of Solution
Given information:
The given situations are as follows.
- x increases; y is unchanged.
- xis unchanged; yincreases.
Calculation:
Let’s consider the situation (a) by taking an example.
Person A drives a car 120 miles in 6 hours and Person B drives a car 140 miles in 6 hours.Who drives faster?
Calculate the unit rate of Person A.
Calculate the unit rate of Person B.
From the above, it is clear that the unit rate increases when the distance increases.
Let’s consider the situation (b) by taking an example.
Person A drives a car 120 miles in 6 hours and Person B drives a car 140 miles in 8 hours. Who drives faster?
Calculate the unit rate of Person A.
Calculate the unit rate of Person B.
From the above, it is clear that the unit rate decreases when the time increases.
Therefore, the correct situation is situation (b):x is unchanged; y increases.
Chapter 5 Solutions
Glencoe Math Accelerated, Student Edition
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