Define the most economical to drive

Reference no: EM13200029

A truck gets 1250/x kilometers per liter when driven at a constant speed of x kilimeter per hour (between 80km/h and 110km/h). If the price of the is $1 per liter and the driver is paid $8 per hour, at what speed between 80km/h and 100km/h is it the most economical to drive?

Reference no: EM13200029

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