document.write( "Question 160111: A contractor orders 8 cubic yards of premixed cement, all of which is to be used to pour a patio that will be 4 inches thick. If the length of the patio is specified to be twice the width, what will be the patio dimensions? \n" ); document.write( "
Algebra.Com's Answer #118077 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 8yd^3=8*3*3*3=216 ft^3 \n" ); document.write( "Volume=l*w*d (length, width, depth) \n" ); document.write( "216=2w*w*1/3 \n" ); document.write( "216=2w^2/3 \n" ); document.write( "2w*2=216*3 \n" ); document.write( "2w^2=648 \n" ); document.write( "w^2=648/2 \n" ); document.write( "w^2=324 \n" ); document.write( "w=18 ft. is the width. \n" ); document.write( "2*18=36 ft. is the length. \n" ); document.write( "Proof \n" ); document.write( "18*36*1/3=216 \n" ); document.write( "648/3=216 \n" ); document.write( "216=216 \n" ); document.write( " \n" ); document.write( " |