document.write( "Question 283270: Solve using the five-step problem-solving process. Show all steps necessary to arrive at your solution.\r
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document.write( "A cement walk of uniform width is built around a 20 foot by 40 foot rectangular pool and the area of the walk is 700 square feet. How wide will the walk be? \n" );
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Algebra.Com's Answer #205634 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! the pool has an area of \n" ); document.write( "20*40=800 \n" ); document.write( "(20+2x)*(40+2x)=1500 \n" ); document.write( "positive answer only \n" ); document.write( "x=5 \n" ); document.write( "the walkway will be 5 feet wide \n" ); document.write( "check \n" ); document.write( "30*50=1500 \n" ); document.write( "ok \n" ); document.write( "why 2x? because the path is on both sides of the pool \n" ); document.write( " |