Question 491167: A 10-lb bag of mixed nuts contains 20% peanuts. How many pounds of peanuts should be added to change the mixture to 80% peanuts? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = pounds of peanuts to be added pounds of peanuts in 10 pound bag
In words:
(final pounds of peanuts) / (final pounds of mixture) = 80%
30 pounds of peanuts should be added
check:
OK