document.write( "Question 60083: I need clarification on this problem. Coffee beans sell for $9.00 per pound and $12.00 per pound The two types are to be mixed to create 100 lbs that will sell for $11.25 per lb. How much of each type of beans should be used in the mixture? \n" ); document.write( "
Algebra.Com's Answer #41258 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I need clarification on this problem. Coffee beans sell for $9.00 per pound and $12.00 per pound The two types are to be mixed to create 100 lbs that will sell for $11.25 per lb. How much of each type of beans should be used in the mixture? \n" ); document.write( "------------ \n" ); document.write( "$9 coffee DATA: \n" ); document.write( "Let Amount of $9 coffee be \"x\"; Value of this is 9x dollars \n" ); document.write( "--------------- \n" ); document.write( "$12 coffee DATA: \n" ); document.write( "Amount of $12 coffee is \"100-x\"; Value of this is 12(100-x)=1200-12x dollars \n" ); document.write( "-------------------- \n" ); document.write( "Mixture DATA: \n" ); document.write( "Amount = 100 lbs ; Value is 11.25*100=$1125 \n" ); document.write( "------------- \n" ); document.write( "EQUATION: \n" ); document.write( "value + value = value \n" ); document.write( "9x + 1200-12x = 1125 \n" ); document.write( "-3x=-75 \n" ); document.write( "x=25 lbs. (amount of $9 coffee) \n" ); document.write( "100-x=75 lbs. (amount of $12 coffee) \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |