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Mathematics, 25.11.2020 14:00 maddie7155
A boat leaves Astoria and travels upstream on the Columbia river for 5 hours. The return trip only takes 3.6 hours because the boat travels 4 miles per hour faster downstream due to the current. How far does the boat travel up the Columbia? Suppossed to solve as an in equality?
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A boat leaves Astoria and travels upstream on the Columbia river for 5 hours. The return trip only t...
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