document.write( "Question 1027518: A trench 5m�16m and 0.75m deep is dug. The earth taken out is spread uniformly to form a layer 12.5cm deep and 4m wide. What is the length of the layer? \n" ); document.write( "

Algebra.Com's Answer #853893 by ikleyn(53742) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "A trench 5m x 16m and 0.75m deep is dug. The earth taken out is spread uniformly to form a layer 12.5cm deep
\n" ); document.write( "and 4m wide. What is the length of the layer?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "        Calculations in the post by @mananth are incorrect.\r
\n" ); document.write( "\n" ); document.write( "        I came to bring a correct solution.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "A trench 5m x 16m and 0.75m deep is dug.
\n" ); document.write( "Volume of Trench = 5*16*0.75 = 60 m^3
\n" ); document.write( "The earth taken out is spread uniformly to form a layer 12.5cm
\n" ); document.write( "deep and 4m wide. (cuboid)
\n" ); document.write( "4*0.125*L = 60 m^3
\n" ); document.write( "L = 60/(4*0.125)
\n" ); document.write( "length = 120 m         <<<---===     ANSWER\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Solved correctly.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );