# How many gallons of 3% acid solution must be mixed with 60 gallons of 10% acid solution to obtain an acid solution that is 8%?

##### 1 Answer

Jul 30, 2017

i.e.

=>

so,

Hence, a = 24

Therefore, 24 gallons of 3% solution needs adding to 60 gallons of 10% solution to get 84 gallons with an 8% solution

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