SOLUTION: A scientist mixes water (containing no salt) with a solution that contains 30% salt. She wants to obtain 150 ounces of a mixture that is 20% salt. How many ounces of water and how
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Question 1149427: A scientist mixes water (containing no salt) with a solution that contains 30% salt. She wants to obtain 150 ounces of a mixture that is 20% salt. How many ounces of water and how many ounces of the 30% salt solution should she use?
You can put this solution on YOUR website! Let = ounces of water needed
Let = ounces of 30% solution needed
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(1)
(2)
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(2)
(2)
and
(1)
(1)
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50 ounces of water is needed
100 ounces of 30% solution is needed
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check:
(2)
(2)
(2)
(2)
OK
