document.write( "Question 1065572: Mariana Coanda wishes to blend candy selling for $1.20 per lb. with candy selling for $1.80 per lb. to get a mixture that will be sold for $1.40 per lb. How many pounds of the $1.20 and the $1.80 candies should be used to get 45 lbs. of the mixture? \n" ); document.write( "
Algebra.Com's Answer #680752 by addingup(3677)![]() ![]() You can put this solution on YOUR website! 1.20x+1.80(45-x) = 1.40(45) \n" ); document.write( "1.20x+81-1.80x = 63 \n" ); document.write( "1.20x-1.80x = 63-81 \n" ); document.write( "-0.60x = -18 divide both sides by 0.60, and remember -/- = + \n" ); document.write( "x = 30 \n" ); document.write( "She needs 30 pounds of the 1.20 candy and 45-30 = 15 pounds of the 1.80 \n" ); document.write( " |