Math

The base of a hill is -30 feet below sea level .,The top of the hill is 200 feet higher .What is the elevation of the top of the hill .
Plz show me how to get the answer its confusing

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3. 👁 130
1. 200 above -30 is 170 above zero. Draw it on a number line.

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posted by Damon
2. 200 - 30 = ______ feet

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