document.write( "Question 506747: a guy has coffee worth $60 a pound that he wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that can b sold for $80 a pound. How many pounds of the $60 coffee should she use \n" ); document.write( "
Algebra.Com's Answer #340237 by stanbon(75887) ![]() You can put this solution on YOUR website! a guy has coffee worth $60 a pound that he wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that can b sold for $80 a pound. How many pounds of the $60 coffee should she use \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "value + value = value \n" ); document.write( "60x + 90*50 = 80(x+50) \n" ); document.write( "60x 4500 = 80x + 4000 \n" ); document.write( "-20x = -500 \n" ); document.write( "x = 25 lbs (amt. of $60 coffee needed) \n" ); document.write( "======================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " |