A tank full of 300 gallons of water starts leaking at a constant rate. After 3 minutes, the amount of water left in the tank is 288 gallons.

(a) Determine an equation that relates the amount of water left in the tank t minutes after it started leaking.

(b) What is the amount of water left in the tank after 20 minutes from the time that it starts leaking?

(c) How long does it take for the amount of water left in the tank to be 120 gallons?

Answer rating: 100% (QA)

a Let xt be the amount of water left in the tank t minutes after it started leaking We know that the ... View the full answer