Answer:
Step-by-step explanation:
1,5,10,10,5,1 - so your answer would be A
Answer:
30%
Step-by-step explanation:
(50 - 35)/50 x 100 = (15/50) x 100 = 30%
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.
The answer to this problem is 12.