Concept explainers
To find:the price which will maximize Sal’s T-shirt income.
Answer to Problem 15SGR
75 t-shirts at
Explanation of Solution
Given:
The price of each t-shirtis
And the number of t-shirts sales in weekend is 100.
Sal estimate that 5 less shirt for each $1 increase.
Calculation:
According to the question,
Create an equation to represent the loss of 5 shirt sell for every $1increase in price. Therefore,
Now, using FOIL, to find the factor, thus
Now, to find the maximum value, use the formula
Now, plug x back in to the original equation, then
Here 75 represent the number of t-shirt sold, and 15 represent the cost.
Hence,Sal’s sales 75 t-shirt at
Chapter 5 Solutions
Algebra 2
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