Question

A dolphin was swimming 28 meters below the ocean's surface. It changed its depth to avoid a

predator and ended up 21 meters below the surface.
What was the change in the dolphin's depth?

Answer 1

Answer: 7 meters

Step by step explanation:

Now write an equation that represents the situation. You want to find the change in the dolphins depth, so subtract it’s beginning depth from its final depth.


Hope it helps!