Question

A scuba diver is swimming at the depth shown, and then swims 0.5 foot toward the surface every 3 seconds. What is the location of the scuba diver, relative to the surface, after 15 seconds?

Answer 1

Answer:

0.5 x 4 = 2 feet / 2 feet in 4 seconds

15 - 2 = 13

New depth: 13 feet

0.4 x 3 = 1.2 feet / 1.2 feet in 3 seconds

13 - 1.2 = 11.8

New depth: 11.8 feet