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? Enter your answer in the box.

Answer 1

-11.8

Explanation:

because the scuba diver was below sea level and the key word is below sea level which is negative

Answer 2

11.8 feet.

15 feet -(0.5feet×4)
=15feet-2feet
=13 feet
13feet-(0.4feet×3)
=13feet-1.2feet
=11.8 feet