SOLUTION: how many pounds of chocolate chips must be added to 12 pounds of cookie dough in order to make chocolate cookies which contain 25%chocilate?

Question 892396: how many pounds of chocolate chips must be added to 12 pounds of cookie dough in order to make chocolate cookies which contain 25%chocilate?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
how many pounds of chocolate chips must be added to 12 pounds of cookie dough in order to make chocolate cookies which contain 25% chocolate?
:
Let x = amt of chocolate required to do this
:
x = .25(12+x)
x = 3 + .25x
x - .25x = 3
.75x = 3
x =3/.75
x = 4 lb of chocolate required
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