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    A boat with speed of 5 km/h relative to the water is heading for a dock 13.83 km downstream. If it takes 104.4 minutes to reach the dock, what is the river speed?

    km/h

    A boat with speed of 10.6 km/h relative to the water is heading for a dock 5.378 km downstream. If it takes 17.2 minutes to reach the dock, what is the river speed?

    km/h

    A boat with speed of 2 km/h relative to the water is heading for a dock 1.244 km downstream. If it takes 26.1 minutes to reach the dock, what is the river speed?

    km/h

    A boat with speed of 4.6 km/h relative to the water is heading for a dock 7.245 km downstream. If it takes 72.7 minutes to reach the dock, what is the river speed?

    km/h

    A boat with speed of 4.1 km/h relative to the water is heading for a dock 6.007 km downstream. If it takes 79.2 minutes to reach the dock, what is the river speed?

    km/h

    A boat with speed of 1.9 km/h relative to the water is heading for a dock 5.505 km downstream. If it takes 123.3 minutes to reach the dock, what is the river speed?

    km/h