SOLUTION: The average profit earned from the sales of x purses is given by A ( x ) = 36 - 8400/ x . How many purses must be sold so that the profit earned per purse ( average profit ) is $ 2

Question 1134434: The average profit earned from the sales of x purses is given by A ( x ) = 36 - 8400/ x . How many purses must be sold so that the profit earned per purse ( average profit ) is $ 20.00 ?
Answer by mathsolverplus(88) (Show Source): You can put this solution on YOUR website!
Given function of average profit to be A(x) = 36-8400/x
x represents the number of purses:
The question asks us to solve for x when the average profit is given to be $20.
Substitute A(x) = 20:
20 = 36-8400/x
20-36 = -8400/x
-16 = -8400/x
x = -8400/-16
x = 525
Solution: 525 purses must be sold so that the average profit = $20

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