SOLUTION: Ellie has 20 pounds of nut mix at her store. The mix contains 10% walnuts. She wants to add walnuts to the mix so tht it becomes 25% walnuts. How many pounds of walnuts must ellie

Question 606777: Ellie has 20 pounds of nut mix at her store. The mix contains 10% walnuts. She wants to add walnuts to the mix so tht it becomes 25% walnuts. How many pounds of walnuts must ellie add?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Ellie has 20 pounds of nut mix at her store. The mix contains 10% walnuts. She wants to add walnuts to the mix so tht it becomes 25% walnuts. How many pounds of walnuts must ellie add?
.
Let x = amount (lbs) of walnuts to add
then
x + .10(20) = .25(20+x)
x + 2 = 5 + .25x
.75x + 2 = 5
.75x = 3
x = 4 pounds

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