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Mathematics 16 Online
OpenStudy (anonymous):

Marilyn rowed across the lake with her friend Teresa at a rate of 3 mph. Teresa then rowed back at a rate of 2 mph. If the lake is 6 miles across, how long did it take them to complete their trip? [ distance = rate × time ]

OpenStudy (radar):

Marilyn rate is 3 mph, distance=6 .then 6=3 mph t, t=2 hrs. Now do it for Teresa, find her time and add it to Marilyn and you will get the answer

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