SOLUTION: A Chemist needs 120 milliliters of a 21% solution but only has 3% and 27% solutions available. Find how many milliliters of 27% solution should be used to the desired solution.
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Question 567616: A Chemist needs 120 milliliters of a 21% solution but only has 3% and 27% solutions available. Find how many milliliters of 27% solution should be used to the desired solution.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A Chemist needs 120 milliliters of a 21% solution but only has 3% and 27% solutions available. Find how many milliliters of 27% solution should be used to the desired solution.
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t = amount of 3%
s = amount of 27%
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t + s = 120
3t + 27s = 120*21
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Can you do the rest?
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