Respuesta :

Answer:

4.65 gallons of acid

Step-by-step explanation:

30% of 5 gallons is 1.5 gal

45% of 7 gallons is 3.15 gal

4.65 gal of acid

Answer:

(5/8)40 + (3/8)50 = 25 + 18.75 = 43.75%

Step-by-step explanation:

This is the answer

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