Respuesta :

Answer:

4.9 hours

Step-by-step explanation:

Divide 1,625 by 2.5 to identify what number is being multiplied by 2.5.

Ans: 650

Divide 3,185 by 650 to find the time for 3,185 gallons of water.

Ans: 4.9

4.9 hours is your answer.