Question 124899
3.50X+4.30(10-X)=4*10
3.5X+43-4.3X=40
-.8X=40-43
-.8X=-3
X=-3/-.8
X=3.75 POUNDS OF $3.50 CANDY IS NEEDED.
10-3.75=6.25 POUNDS OF $4.30 CANDY IS NEEDED.
PROOF
3.50*3.75+4.30*6.25=4*10
13.125+26.875=40
40=40