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10 Nov 2019
A riverboat travels 81 km downstream in 3 hours. It travels 76 km upstream in 4 hours. Find the speed of the boat and the speed of the stream. The speed of the boat isand the speed of the stream is
A riverboat travels 81 km downstream in 3 hours. It travels 76 km upstream in 4 hours. Find the speed of the boat and the speed of the stream. The speed of the boat isand the speed of the stream is
Sixta KovacekLv2
20 Jan 2019