Question

A submarine was situated 800 feet below sea level.if it ascends 250 feet,what is its new position ?

Answer 1

550 feet below sea level

Answer 2

Given : A submarine's position is 800 feet below sea level.It rises by 250 feet.

Need to Find : What is its new position ?

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How to do ?

Firstly,We have to add (-800) + 250 because Sea level indicates zero.The position of the submarine is below zero.So,It is negative (-800).It rises by 250 feet.Then by Adding (-800) + 250 we get -550 feet.So,Therefore,the new position of the submarine is -550 feet.

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Step by Step Explanation :

$\sf{(-800) + 250 = -550 \ feet}$

Therefore,

The new position of the submarine is -550 feet.

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