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A scientist uses a submarine to study ocean life.
She begins at sea level, which is an elevation of 0 feet.
She descends 76.9 feet.
She then travels directly up 53.7 feet.
Next, she travels down a second time, 21.6 feet.

How many feet must she now ascend to get back to sea level?

Respuesta :

Bqre

Answer:

44.8 feet

Step-by-step explanation:

[tex]0 - 76.9 + 53.7 - 21.6 = -44.8 \text{ feet}[/tex]

Therefore, she has to go up 44.8 feet to go back to sea level, at 0 feet.

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