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A boat which travels at 9.9 km/h relative to the water aims straight for the opposite bank of a river. If the average river speed is 3.9 km/h and the boat is 32.42 m downstream when it reaches the opposite side, how wide is the river?

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A boat which travels at 4.4 km/h relative to the water aims straight for the opposite bank of a river. If the average river speed is 10.6 km/h and the boat is 101.4 m downstream when it reaches the opposite side, how wide is the river?

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A boat which travels at 2.4 km/h relative to the water aims straight for the opposite bank of a river. If the average river speed is 10.6 km/h and the boat is 416.9 m downstream when it reaches the opposite side, how wide is the river?

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A boat which travels at 3.2 km/h relative to the water aims straight for the opposite bank of a river. If the average river speed is 9.5 km/h and the boat is 382.9 m downstream when it reaches the opposite side, how wide is the river?

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A boat which travels at 2.4 km/h relative to the water aims straight for the opposite bank of a river. If the average river speed is 11.7 km/h and the boat is 229.1 m downstream when it reaches the opposite side, how wide is the river?

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A boat which travels at 9.9 km/h relative to the water aims straight for the opposite bank of a river. If the average river speed is 0.9 km/h and the boat is 2.627 m downstream when it reaches the opposite side, how wide is the river?

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