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Riley wants to make 100ml of 25% saline but only has access to 12% and 38% saline mixtures. x= 12% y=38%
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Riley wants to make 100ml of 25% saline but only has access to 12% and 38% saline mixtures. x= 12% y=38%

User ZZY
by
8.1k points

1 Answer

6 votes

Answer:

x = 50

y = 50

Explanation:


\begin{bmatrix}x+y=100\\ 0.12x+0.38y=25\end{bmatrix}

.12(100-y) + .38y = 25

x = 50

y = 50

User Oadams
by
7.6k points
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