document.write( "Question 818118: When six gallons of gasoline are added to a car's fuel tank, the gas gauge goes from 1/4 to 3/4 full. Assuming the gauge is accurate, find the total capacity, in gallons, of the tank.\r
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Algebra.Com's Answer #492398 by TimothyLamb(4379)\"\" \"About 
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fraction of tank filled:
\n" ); document.write( "3/4 - 1/4 = 2/4 = 1/2
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\n" ); document.write( "V = total capacity of tank
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\n" ); document.write( "V(1/2) = 6
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\n" ); document.write( "V = 12 gallons
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