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Ivahew [28]
3 years ago
6

Optimal Speed of a Truck A truck gets 600/x miles per gallon (mpg) when driven at a constant speed of x mph, where 40 ≤ x ≤ 80.

If the price of fuel is $2.80/gal and the driver is paid $13/hr, at what speed is it most economical for the trucker to drive? (Round your answer to two decimal places.)
Mathematics
1 answer:
Amanda [17]3 years ago
8 0

Answer:4.9

Step-by-step explanation:

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