# Math intergers

a rolloercoater begins at 90 feet abouve ground level.then it desends 105 feet, find the height of the coaster after the first descent

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1. Subtract 105 from 90 and you get -15. It would end up underground.

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posted by drwls
2. oh okay that's what i thought just making sure

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posted by Julie
3. Some roller coasters end up in a pond of water, which might be below ground level

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posted by drwls

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