SOLUTION: 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 $1.2

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?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
1.20x+1.80(45-x) = 1.40(45)
1.20x+81-1.80x = 63
1.20x-1.80x = 63-81
-0.60x = -18 divide both sides by 0.60, and remember -/- = +
x = 30
She needs 30 pounds of the 1.20 candy and 45-30 = 15 pounds of the 1.80
RELATED QUESTIONS
Mariana Coanda wishes to blend candy selling for $1.20 per lb. with candy selling for... (answered by addingup)

Candy sells for $1.30 per lb is to be mixed with candy selling for $0.90 per lb to get... (answered by edjones)

A merchant wishes to mix candy worth $5 per lb with 40 lb of candy worth $2 per lb to get (answered by ptaylor)

A merchant wishes to mix candy worth $5 per lb with 40lb of candy worth $2 per pound to... (answered by checkley75)

Please help me solve this mixture problem: How many pounds of gourmet candy selling... (answered by AnlytcPhil)

How many pounds of candy worth $8 per lb should be mixed with 100 lb of candy worth $4... (answered by Edwin McCravy)

How many pounds of candy that sells for $0.82 per lb must be mixed with candy that (answered by ewatrrr)

How many pounds of candy that sells for 0.67 per lb must be mixed with candy that sells... (answered by josgarithmetic,ikleyn)

A candy store owner wishes to mix candy that sells for $3 per pound with candy selling... (answered by ptaylor)