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Mathematics, 19.11.2020 19:50 mariap3504

A worm crawled the first 4 hours of its journey at speed of 15 meters per hour and the remaining 7 hours at 12 meters per hour. How far is the whole journey in meters?

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A worm crawled the first 4 hours of its journey at speed of 15 meters per hour and the remaining 7 h...

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