document.write( "Question 821349: You want to build a sidewalk at your house, 2 feet wide by 47 feet long, by 5 inches deep. Concrete costs $ 109 per cubic yard, and you need to order 15% extra. How much will your sidewalk cost? \n" ); document.write( "
Algebra.Com's Answer #494032 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! You want to build a sidewalk at your house, 2 feet wide by 47 feet long, by 5 inches deep. Concrete costs $ 109 per cubic yard, and you need to order 15% extra. How much will your sidewalk cost? \n" ); document.write( "Volume: 2*47*5/12 = 39.1667 cu ft \n" ); document.write( "---- \n" ); document.write( "Volume = 39.1667/27 = 1.4506 cu yd. \n" ); document.write( "------- \n" ); document.write( "Cost = 1.15*1.4506*109 = $181.83 \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " \n" ); document.write( " |