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After watching some fish 40 feet below the surface of the water, a scuba diver went up 15 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's surface. mo Interpret the sum in the context of the problem A. The equation is -40 (-16) 28 The coral reef is 5 feet belo the water's surface

Answer :

First he was 40 feet below surface, so he was at -40 feet

The he went up 15, so now he is -40 + 15 = -25, that means 25 feet below surface

So the right equation is D and for the line:

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