document.write( "Question 178997: a bookcase is to be constructed to be 3 times the height. If 60ft of the my lumber is available for the entire unit, find the length and hieght of the bookcase \n" ); document.write( "
Algebra.Com's Answer #134072 by Mathtut(3670)\"\" \"About 
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P=2L+2W.....let W=height and L=length
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\n" ); document.write( "L=3W
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\n" ); document.write( "60=2W+2(3W)
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\n" ); document.write( "8W=60
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\n" ); document.write( "W=height=7.5 feet
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\n" ); document.write( "L-height=3(7.5)=22.5 feet
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