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OpenStudy (anonymous):
At 9:00, Mary set out from her house for a picnic, traveling at 15 km/h on her bike. Her sister left 60 hours later and traveled at a speed of 30 km/h. If both sisters arrived at the picnic area at the same time, how far did each travel?
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OpenStudy (anonymous):
60 hours???
OpenStudy (anonymous):
Yeah that's what the problem said. I questioned it too
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