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11Alexandr11 [23.1K]
2 years ago
7

A toy store owner estimates that by charging x dollars each for a certain toy, he can sell 40−x toys each week. The quadratic eq

uation R=−x^2+40x is used to find the revenue, R , received when the selling price of a toy is x . Find the selling price that will give him the maximum revenue, and then find the amount of the maximum revenue.
Mathematics
1 answer:
djyliett [7]2 years ago
3 0

Answer:x=20

Step-by-step explanation:

Given

selling Price of Toy is x dollars

he can sell 40-x toys each week

Thus Revenue Generated from selling 40-x toys at x dollar can be given by

R=-x^2+40x

To get maximum Revenue differentiate R with respect to x  and equate it to 0

therefore \frac{\mathrm{d} R}{\mathrm{d} x}=-2x+40

-2x+40=0

x=20

thus for maximum Revenue owner sells 20 toys each week

Max Revenue R=-(20)^2+40\times 20=-400+800=$ 400

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