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

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