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never [62]
3 years ago
14

I need help with this there is part a and b

Mathematics
1 answer:
Alex17521 [72]3 years ago
6 0

Answer:

the answer should be 3.914 or 4

Step-by-step explanation:

hope it helps!

I am guessing that Part A: 3.914

and                          Part B: 4

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How much water must be evaporated from 130 gallons of a 9% acid solution to make a 12% acid solution?
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Answer: 33 gallons

Step-by-step explanation:

We initially have 130 gallons of a 9\% acid solution and we need to change it to a 12\% acid solution, and for that it is necessary to evaporate n gallons of water.

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