Diver number one dives down 25 feet below sea level. Diver number two then goes down five (5) times further than diver number one. What is the final depth of diver number two?

A 125 feet below sea.

explanation

The initial depth of the first diver is 25 feet below sea level, or −25. To find the final depth of the second diver, multiply the depth of the first diver by 5.
−25(5) = −125
The second diver’s final depth is −125 feet, or, 125 feet below sea level.