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A scientist uses a submarine to study ocean life.
She begins at sea level, which is an elevation of o feet.
She descends 23.6 feet.
• She then ascends 13.4 feet.
Next, she travels down a second time, 21.1 feet.
How many feet must she now rise to get back to sea level?


Sagot :

Answer:

31.3 feet

Step-by-step explanation:

-23.6+13.4 = -10.2

-10.2 - 21.1 = -31.3

Answer:

31.3 feet

Step-by-step explanation:

0 -23.6 + 13.4 - 21.1 = -31.3

So to get back to sea level she must ascend 31.3 feet.

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