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After watching some fish 60 feet below the surface of the water scuba diver went up 40 feet to explore a coral reef. use a number line to help you create an equation that shows the location of the coral reef in relation to the water surface.

A: The equation is -60+40 = -100.

B: the equation is -60+(-40)= -100.

C: The equation is -60+40= -20

D: The equation is -60+(-40)= 20

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musiclover10045

The diver is 60 feet below the surface then moves up 40 feet.

Answer: C: The equation is -60+40= -20

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