document.write( "Question 983224: The rectangular solid above has surface area 112 square feet. What is the volume, in cubic feet, of the solid?\r
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\n" ); document.write( "\n" ); document.write( "a. 30
\n" ); document.write( "b. 45
\n" ); document.write( "c. 60
\n" ); document.write( "d. 72
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Algebra.Com's Answer #604040 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Solve for the unknown side length x. That is most of the problem.\r
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\n" ); document.write( "\n" ); document.write( "This sum of surface areas must be 112:\r
\n" ); document.write( "\n" ); document.write( "\"2%2810%2A3%29%2B2%2810%2Ax%29%2B2%283%2Ax%29=112\"\r
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\n" ); document.write( "\n" ); document.write( "\"60%2B20x%2B6x=112\"
\n" ); document.write( "\"26x=112-60\"
\n" ); document.write( "\"13x=56-30\"
\n" ); document.write( "\"13x=26\"
\n" ); document.write( "\"highlight%28x=2%29\"\r
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\n" ); document.write( "\n" ); document.write( "VOLUME, \"10%2A3%2Ax=10%2A3%2A2=60%2Acubicfeet\"
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