Alarge container holds 5 gallons of water. it begins leaking at a constant rate. after 10 minutes, the container has 3 gallons of water left. at what rate is the water leaking?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.