document.write( "Question 1041599: A company that mixes and sells concrete has a contract to deliver several loads of concrete containing an aggregate that is 20% sand by weight. the company has a pile that contains 360,000 lb if aggregate that is 15% sand. How much sand will be required to mix with the aggregate in this pile to produce a picture that is 20% sand? \n" ); document.write( "
Algebra.Com's Answer #656536 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Available is 360000 pounds of 15% sand.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Objective is to add some p pounds of sand to increase the percentage to 20%.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Study this lesson: two part mixture, one part known, other part unknown \n" ); document.write( " |