SOLUTION: A 60 pound mixture includes 9 pounds of pepper. How many pounds of pepper must be added to the make the ratio of pepper to mixture 1:2?

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Question 887696: A 60 pound mixture includes 9 pounds of pepper. How many pounds of pepper must be added to the make the ratio of pepper to mixture 1:2?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
That means you want 50% pepper.

highlight_green%28%289%2Bx%29%2F%2860%2Bx%29=1%2F2%29; because 50% is 1%2F2, and adding pepper also adds to the resulting amount of the mixture. x is the pounds of pepper to add. Solve for x.

2%28x%2B9%29=x%2B60
2x%2B18=x%2B60
x=60-18
highlight%28x=42%29