SOLUTION: x punds of candy valued at $3.50 per pound is mixed with y pounds of candy valued at $4.30 per pound to produce 10 pounds of a mixture selling for $4 per pound. Find x and y, the n

Algebra ->  Systems-of-equations -> SOLUTION: x punds of candy valued at $3.50 per pound is mixed with y pounds of candy valued at $4.30 per pound to produce 10 pounds of a mixture selling for $4 per pound. Find x and y, the n      Log On


   



Question 124899: x punds of candy valued at $3.50 per pound is mixed with y pounds of candy valued at $4.30 per pound to produce 10 pounds of a mixture selling for $4 per pound. Find x and y, the number of pounds of each type.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
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