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Mathematics 14 Online
OpenStudy (anonymous):

During the holiday season, Duke and Iris work at a gift-wrapping station. Duke can wrap 44 gifts per hour, and Iris can wrap 33 gifts per hour. If they work together, how long will it take them to wrap 231 gifts? 3 hours 6 hours 12 hours 2 hours

OpenStudy (anonymous):

A. 3 hours

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