nightmarewade03
03.04.2020 •
Mathematics
Suppose a manufacturer of a clothes dryer found that when the unit price is $x, the revenue R (IN DOLLARS) is given by: () = 4000 − (4x)(4x) What unit price should be established to maximize the revenue?
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Ответ:
606.6 and 233.3 respectively
Step-by-step explanation:
Let the speed of plane in still air be x and the speed of wind be y.
ATQ, (x+y)*9=7560 and (x-y)*9=3360. Solving it, we get x=606.6 and y=233.3