document.write( "Question 478508: you have 12 1/2 gallons of gas and us use 1/5 of the gas how much gas do you have left? \n" ); document.write( "
Algebra.Com's Answer #327869 by cleomenius(959)\"\" \"About 
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12 1/2 = 25/2 \r
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\n" ); document.write( "\n" ); document.write( "25/2 * 1/5 = 25/10 = 2.5\r
\n" ); document.write( "\n" ); document.write( "So we have used 2.5 gallons.\r
\n" ); document.write( "\n" ); document.write( "12.5 - 2,5 = 10 gallons left.\r
\n" ); document.write( "\n" ); document.write( "Cleomenius.
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