Question

The Ricco family filled the gasoline tank of their car at the beginning of a long trip. Their car used gasoline at the rate of 1 gallon every 21 miles. When they stopped for lunch, they had driven 315 miles, and there were 9 gallons of gasoline left in the tank. How many gallons does the gasoline tank hold?

Apr 29, 2014

x - 315/21 = 9

Solve for x.

Apr 30, 2014

24 gallons

Jan 24, 2017

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