Answered

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How many gallons of a 25% acid solution should be added to 10 gallons of a 12% acid solution to obtain a 20% acid solution?

Sagot :

Answer:

16 Gallons

Step-by-step explanation:

x = 25% gallon amount

.25 x   +  .12 (10)   =     .20 (10+x)

.05x = .8

x = 16 gal of 25%

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