A number is first increased by 20 and then doubled. The result is 2 less than 5 times the number.
1 answer:
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Answer:
Option (b) is correct.
The profit from sales if the price of the T-shirts were $15 a pieces is $28.
Step-by-step explanation:
Given : The function is used to determine the profit on T-shirts sold for x dollars.
We have to find the profit from sales if the price of the T-shirts were $15 a pieces.
Consider the given profit function
For the profit, if the price of a t-shirt is $ 15
Put x = 15, we have,
Simplify, we have,
Also,
Thus, we get, The profit from sales if the price of the T-shirts were $15 a pieces is $28.