A scientist was in a submarine below sea level, studying ocean life. Over the next ten minutes, she descended 41.6 feet. How many feet had she been below sea level, if she was 102 feet below sea level after she descended?

143.6 below sea level

Step-by-step explanation:

Given that:

Initial altitude of the submarine = 102 feet below sea level

Distance descended over the next 10 minutes = 41.6 minutes

To find:

The altitude below sea level after she descended ?

Solution:

To find the resultant altitude below sea level, we need to subtract the altitude descended in the next ten minutes from the initial altitude.

We are doing so because scientist has further descended i.e. gone below the water.

Initial altitude is also in negative sign because of the fact that it is below sea level.

Therefore, the answer can be found as:

-102 - 41.6 = - 143.6

OR

143.6 below sea level is the answer.

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