Question

A diver begins at 90 feet below sea level. She descends at a steady rate of 6 feet per minute for 6 minutes. Then, she ascends 20 feet. This expression shows her current depth in feet. -90 -6(6)+20 What is her current depth? -596 feet -556 feet -146 feet -106 feet

Answer 1

D

Explanation:

-106ft

Answer 2

What we must do for this case is to use the following expression:
-90 -6 (6) +20
Then, let's rewrite it:
- 90 - 36 + 20
We add all the terms algebraically:
-126 + 20
-106 feet
Answer:
her current depth is:
-106 feet