document.write( "Question 132411: A rectangle garden has dimensions of 18 feet by 13 feet. A gravel path of equal width is to be built around the garden. How wide can the path be if there is enough gravel for 516 square feet? \n" ); document.write( "
Algebra.Com's Answer #96784 by edjones(8007)\"\" \"About 
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L*w=A
\n" ); document.write( "18*13=234 ft^2
\n" ); document.write( "Let x=width of the path
\n" ); document.write( "(x+18)(x+13)-234=516
\n" ); document.write( "x^2+31x+234-234=516
\n" ); document.write( "x^2+31x-516=0
\n" ); document.write( "(x+43)(x-12)=0
\n" ); document.write( "x=12 ft.
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