Concept explainers
a)
To write: An equation for the number of apps A sold t weeks after the first week of availability.
a)
Answer to Problem 61PPS
Equation in slope intercept form for the number of apps A sold t weeks after the first week of availability is
Explanation of Solution
Given information: A company sold 3305 apps in the first week of availability and it sells 25 apps per hour as an average.
Formula used: Formula to be used here is:
Total number of apps sold
Calculation: As, it sells 25 apps in one hour and there are total 168 hours in a week, so total apps sold each week
Plug in all related values given, in above formula,
i.e.
or,
Conclusion: So, the equation required is
b)
If sales continue at this rate, how many weeks will it take for the company to sell 100,000 apps.
b)
Answer to Problem 61PPS
After 24 weeks, the company will sell 100,000 apps.
Explanation of Solution
Given information: A company sold 3305 apps in the first week of availability and it sells 25 apps per hour as an average.
Formula used: Formula to be used here is :
Total number of apps sold
Also, any equation of line in slope intercept form is written as
Calculation: Plug,
Conclusion: So, 100000 apps will be sold in 24 weeks.
Chapter 3 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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