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Mathematics, 17.10.2020 07:01 mistydsargentp5wrh4

A riverboat travels downriver (with the current) at a speed of 15 km/h. The current is 3km/h. To someone on the shore, how fast is the riverboat moving?

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A riverboat travels downriver (with the current) at a speed of 15 km/h. The current is 3km/h. To som...
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