document.write( "Question 275342: how many pounds of coffee worth $8.00 should be added to 10 pounds of coffee worth $5.00 a pound to get a mixture worth $6.00 a pound \n" ); document.write( "
Algebra.Com's Answer #200843 by dabanfield(803)![]() ![]() ![]() You can put this solution on YOUR website! how many pounds of coffee worth $8.00 should be added to 10 pounds of coffee worth $5.00 a pound to get a mixture worth $6.00 a pound\r \n" ); document.write( "\n" ); document.write( "Let x be the amount of $8.00 coffee. Then when we are finished the total amount of $6.00 coffee we will have is 10 + x.\r \n" ); document.write( "\n" ); document.write( "So:\r \n" ); document.write( "\n" ); document.write( "10*5.00 + x*8.00 = (10+x)*6.00 \n" ); document.write( "50 + 8x = 60 + 6x \n" ); document.write( "2x = 10 \n" ); document.write( "x = 5 \n" ); document.write( " |