Concept explainers
To find: Whether the percent change is an increase or decrease and find the prices change.
Answer to Problem 21GR
The percent change increases up to
Explanation of Solution
Given:
The prices change from $2000 to $2100.
Calculation:
Since the prices change is from $2000 to $2100, therefore, there is an increase in the price.
Obtain the price change as follows:
Obtain the percentage change if the prices change from $2000 to $2100 as,
Thus, the percent change increases up to
Chapter 7 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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