(5/8) - (2/8) = 3/8
3/8x = 6
x = 6 / (3/8)
x = 6 * (8/3)
x = 48/3 = 16
When 6 gallons of gasoline are put into a car's tank, the indicator goes from 1/4 of a tank to 5/8. What is the total capacity of the gasoline tank?
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