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Mathematics, 18.02.2021 23:40 rihanna79

A balloon is floating above a lake and a sunken canoe is below the surface of the lake. The balloon’s vertical position is 12 meters and the canoe’s is -4.8 meters. The equation 12+d= -4.8 represents this situation. What does the variable d represent? What value of d makes the equation true? Explain your reasoning.

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