Aiko it's in a fish department of a pet store she is asked to drain clean and refill to reef tanks the first tank holds 175 gallons of water and the second tank holds 200 gallons of water the houses that she uses drain the tanks at a rate of 25 gallons of water per hour write an equation for each tank that represents the total amount of water in gallons in the tank why in terms of number of hours x that the tanks are draining.​