A diver is 28 feet below the surface of the water. He rises 15 feet. What is his current depth?

A) 13 feet below sea level
B) 43 feet below sea level
C) 33 feet below sea level
D) 53 feet below sea level

Answer :

A) 13 feet below sea level
Because negative plus a positive is negative, it is B because it equals to -13

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