Question

A diver begins at sea level and dives down 200 feet. He ascends at a steady rate of 12

1
_
3

feet per minute for 4.5 minutes. This depth is represented by the numerical expression:


-200 + 12

1
_
3

(4.5)


Simplify the expression using the order of operations. What is the diver’s depth?


-200 +

37

3

(4.5)


-200 + 55.5


{ }feet

Answer 1

144.5 feet

Explanation:

You were right, you only have to finish the last line:

-200 + 55.5 = 55.5 - 200 = 144.5 ft

Answer 2

-144.5

Explanation: