APPLICATION Hydroplanes are boats that move so fast they skim the top of the water. The

Chapter 5, Problem 12

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APPLICATION Hydroplanes are boats that move so fast they skim the top of the water. The hydroplane Spirit of the Tri-Cities qualified for the 2004 Columbia Cup race with a speed of 145.000 mi/h. The hydroplane Miss B qualified with a speed of 163.162 mi/h. (Northwest Hydro Racing, www.hydroracing.com) a. How long will each hydroplane take to run a 5-lap race if one lap is 2.5 miles? b. Some boats limit the amount of fuel the motor burns to 4.3 gallons per minute. How much fuel will each boat use to run a 5-lap race?c. Hydroplanes have a 50-gallon tank though generally only about 43 gallons are put in. The rest of the tank is filled with foam to prevent sloshing. How many miles can each hydroplane go on one 43-gallon tank of fuel? d. Find each boats fuel efficiency rate in miles per gallon.

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