Concept explainers
The percent change problem that you recently experienced.
Answer to Problem 35PPE
The cost of smartphone decreased by
Explanation of Solution
Let the cost of the new smartphone in March 2016 is $60.
Let the cost of the same smartphone after 6 months in September 2016 is $52.
As, the cost of the smartphone in March is more than the cost of smartphone in September, it is a percent decrease.
The percentage of decrease is:
Therefore, the cost of smartphone decreased by
Chapter 2 Solutions
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