document.write( "Question 703523: A coffee merchant combines coffee costing $6.00 per pound with coffee costing $4.50 per pound. How many pounds of each should be used to make 30 lb of a blend costing $5.20 per pound? \n" ); document.write( "
Algebra.Com's Answer #433573 by nshah11(47)![]() ![]() ![]() You can put this solution on YOUR website! Assume x lbs of $6/lb is coffee is mixed while (30 - x) lbs of $4.5/lb coffee is mixed.\r \n" ); document.write( "\n" ); document.write( "(6x + 4.5(30 - x))/30 = 5.2\r \n" ); document.write( "\n" ); document.write( "1.5x + 135 = 156\r \n" ); document.write( "\n" ); document.write( "x = 21(2/3) = 14 lbs\r \n" ); document.write( "\n" ); document.write( "30 - x = 16 lbs \n" ); document.write( " |