Question

On Monday, water was pumped out of the pool at a constant rate, starting at 12:00 p.m.

At 12:15 p.m., the water in the pool was 45 inches deep.

At 12:35 p.m., the water in the pool was 41 inches deep.


Part B - Write an equation that represents y, the depth of the water (in inches), after x minutes.

Answer 1

so every 20 minutes it goes down by 4 inches so 20x-4y

Explanation:

20x-4y means every 20 minutes it goes down 4 inches