a.
To find:
The number of months t when the percent of the population owning smartphones is 50%.
a.
Answer to Problem 147E
Thepercent of the population owning smartphones is 50% after 93 months.
Explanation of Solution
Given:
The percent p (in decimal form) of the United States population who own a smartphone is given by
Calculation:
To solve our given problem, we will substitute
Therefore,the percent of the population owning smartphones is 50% after 93 months.
b.
To find:
The number of months t when the percent of the population owning smartphones is 80%.
b.
Answer to Problem 147E
Thepercent of the population owning smartphones is 80% after 124.19 months.
Explanation of Solution
Given:
The percent p (in decimal form) of the United States population who own a smartphone is given by
Calculation:
To solve our given problem, we will substitute
Therefore, the percent of the population owning smartphones is 80% after 124.19 months.
Chapter 3 Solutions
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