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Mathematics, 05.02.2022 17:30 Svetakotok

Kathy and Cheryl are walking in a fundraiser. Kathy completes the course in 4.2 hours and Cheryl completes the course in 7 hours, Kathy walks two miles per hour faster than Chery. Find Kathy's speed and Cheryl's speed in miles per hour.

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Kathy and Cheryl are walking in a fundraiser. Kathy completes the course in 4.2 hours and Cheryl com...
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