3 years ago

Charlie mixes 15 liters of 17% acid solution with a 29% acid solution, which results in 23% acid solution.

Mathematics

1 answer:

777dan777 [17]3 years ago

8 0

(15(.17)+.29x)/(15+x)=.23

2.55+.29x=3.45+.23x

.06x=.9

x=15

So 15L of the 29% solution was added to the 15L of 17% solution to make

30L of 23% solution.

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