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Mathematics, 20.03.2021 02:40 inucornspineapple

You used an app to hire a repair worker to do a series of small repairs around your office. The worker charges $54 for the first hour, and $15.50 for each additional 15 minutes. If the worker charged you $162.50, how long did the repairs take?

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You used an app to hire a repair worker to do a series of small repairs around your office. The work...
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