Question 1065572
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