Question 196686
A car's gas tank held x gallons of gas before the trip.
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The trip consumed three quarters of the gas in the tank,
He now has (1/4)x gallons in the tank


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 but 10 gallons of gas were added after the trip. 
He now has (1/4)x + 10 gallons of gas in the tank.
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How much gas is now in the tank?
(1/4)x + 10 gallons
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Cheers,
Stan H.