document.write( "Question 1184762: Tom's gas tank is 1/2 full. After he buys 7 gallons of gas, it is 3/4 full. How many gallons can Tom's tank hold? \n" ); document.write( "
Algebra.Com's Answer #815405 by josgarithmetic(39617)\"\" \"About 
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7 gallons is for \"3%2F4-1%2F2=3%2F4-2%2F4=1%2F4\" of the tank.\r
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\n" ); document.write( "\n" ); document.write( "His tank can hold 28 gallons.
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