Question

A scuba diver is swimming 15 feet below the water’s surface.

The diver swims up slowly at 0.5 feet per second for 4 seconds; and then stops to look at an eel. Finally, the diver swims up for 3 more seconds at 0.4 feet per second. What is the diver’s new depth?

Answer 1

Answer: -11.8 = 11.8 feet below the water's surface

Explanation:

-15 + (0.5)(4) + 3(0.4)

-15 + 2 + 1.2

-11.8