Mathematics, 12.12.2020 16:10 vannia

Mrs. Kudra's Algebra 2/Trig class went on a 50-mile (one way) canoe trip upstream and then back again in a total of 7 hours and 30 minutes. In still water, the speed at which they paddled was 15 miles per hour. What is the speed of the river's current? HELP PLEASE.

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Mrs. Kudra's Algebra 2/Trig class went on a 50-mile (one way) canoe trip upstream and then back agai...