document.write( "Question 1134792: a certain concrete mixture contains 6.00% cement and 8.00% sand how many kilograms of sand should be combined with 255 kg of cement to make aa batch that is 14.0% cement and 16.0% sand? \n" ); document.write( "
Algebra.Com's Answer #752272 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! a certain concrete mixture contains 6.00% cement and 8.00% sand \n" ); document.write( " how many kilograms of sand should be combined with 255 kg of cement to make a \n" ); document.write( " batch that is 14.0% cement and 16.0% sand? \n" ); document.write( ": \n" ); document.write( "let x = the total amt of the concrete in this new mixture \n" ); document.write( "14% of the new mixture equals 255 \n" ); document.write( ".14x = 255 \n" ); document.write( "x = 255/.14 \n" ); document.write( "x = 1821.43 kg total weight of the concrete \n" ); document.write( ": \n" ); document.write( "Find the amt of sand in this concrete mixture \n" ); document.write( ".16 * 1821.43 = 291.43 kg of Sand required \n" ); document.write( " |