SOLUTION: A Chemist wants to make a 10% solution of Fertilizer. How much water and how much of a 30% solution should the chemist mix to get 30L of a 10% Solutio.

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Question 116504: A Chemist wants to make a 10% solution of Fertilizer. How much water and how much of a 30% solution should the chemist mix to get 30L of a 10% Solutio.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let x equal the amount of the 30% solution to use
Let w equal the amount of water to use
w+%2B+x+=+30L
.3x+%2F+%28x%2Bw%29+=+.1
.3x+%2F+30+=+.1
x+=+10L answer
w+=+30+-+10
w+=+20L answer