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Mathematics 13 Online
OpenStudy (anonymous):

A scanner scanned 72 photos in 8 minutes. If it scans photos at a constant rate, it can scan _____ photos in 23 minutes. I will become a fan and give you a medal!!!!!!!!!!!! :)

OpenStudy (anonymous):

72photos/8 mins = 9 photos/min 9 * 23 = 207 207 photos in 23minutes.

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