document.write( "Question 548862: coffee grounds inc. has two kinds of coffee. Coffee A cost $9 per kg and coffee B costs $6 per kg.how many kilograms of each should be combined to obtain 150 kilograms of a blend worth $8 per kilogram \n" ); document.write( "
Algebra.Com's Answer #358336 by lwsshak3(11628) ![]() You can put this solution on YOUR website! coffee grounds inc. has two kinds of coffee. Coffee A cost $9 per kg and coffee B costs $6 per kg.how many kilograms of each should be combined to obtain 150 kilograms of a blend worth $8 per kilogram \n" ); document.write( "** \n" ); document.write( "let x=kilograms of $9 coffee \n" ); document.write( "150-x=kilograms of $6 coffee \n" ); document.write( ".. \n" ); document.write( "9x+6(150-x)=8*150 \n" ); document.write( "9x+900-6x=1200 \n" ); document.write( "3x=1200-900=300 \n" ); document.write( "x=100 \n" ); document.write( "150-x=50 \n" ); document.write( "ans: \n" ); document.write( "kilograms of $9 coffee=100 \n" ); document.write( "kilograms of $6 coffee=50 \n" ); document.write( " |