After swimming 60 feet below the surface of the water, a whale swims up 30 feet. Use a number line to help you create an equation that shows the new location of the whale in relation to the water's surface. -120-100-80 -60 40 20 0 0 406 Interpret the sum in the context of the problem A. The equation is 60+(-30)-30. The whale is 30 feet below the water's surface B. The equation is 60 +30 90he whale is 90 feet below the water's surface OC. The equation is 60 + (30)-90. The whale is 90 feet below the water's surtace OD. The equation is -60 +30=30. The whale is 30 feet below the water's Surtace

According to the problem, the first distance 60 feet below the surface water, this quantity must be represented by -60 since it's in negative territory. Them, a wahle swims up 30 feet, this number must be represented by +30.

As you can observe in the image above, all the problem is in negative territory.

Now, we can define the equation

[tex]-60+30=-30[/tex]

The whale is 30 feet below the surface of the water.

Respuesta :

Therefore, the right answer is D.

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