document.write( "Question 184968: A COFFEE MERCHANT COMNBINED COFFEE COSTING $6 PER POUND, WITH COFFEE COSTING $3.50 PER POUND. HOW MANY POUNDS OF EACH WERE USED TO MAKE 25 POUNDS OF A BLEND COSTING $5.25 PER POUND?\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #138807 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 6x+3.5(25-x)=25*5.25 \n" ); document.write( "6x+87.5-3,5x=131.25 \n" ); document.write( "2.5x=131.25-87.5 \n" ); document.write( "2.5x=43.75 \n" ); document.write( "x=43.75/2.5 \n" ); document.write( "x=17.5 lbs. of $6 coffee is used. \n" ); document.write( "25-17.5=7.5 lbs. of $3.50 coffee is used. \n" ); document.write( "Proof: \n" ); document.write( "6*17.5+3.5*7.5=131.25 \n" ); document.write( "105+26.25=131.25 \n" ); document.write( "131.25=131.25 \n" ); document.write( " |