document.write( "Question 168701: the dimensions o a brick are 1 in * 2 in * 8 in. how many of these bricks are needed to have a total volume of exactly 1 cubic foot? \n" ); document.write( "
Algebra.Com's Answer #124343 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Note: we need to get ALL units to be equal (ie get everything to inches or feet)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Total Volume:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1 cubic foot = 12 inches * 12 inches * 12 inches = 1,728 cubic inches\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Volume of One Brick:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1 in * 2 in * 8 in = 16 cubic inches\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now divide the total volume (1,728 cubic inches) by the volume of 1 brick (16 cubic inches)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So you need 108 bricks to get 1 cubic foot. \n" ); document.write( " |