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Re: Ram rows a boat against a stream flowing at 2 km/h for a distance of [#permalink]
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Sometimes I use the answer choices to my advantages during word problems.
Use 3 (C) for example. If someone rows against the current, then their speed is 1 KM per hour. That would take 12 hours to reach. Exceeds the time.
We need a faster rate.
Check 4 or 5. 4 - 2 = 2. 12 miles divided by 2 = 6 hours. then 4 + 2 = 6 as the rate of speed. can cover 12 miles in 2 hours. 12/6.
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Re: Ram rows a boat against a stream flowing at 2 km/h for a distance of [#permalink]
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Re: Ram rows a boat against a stream flowing at 2 km/h for a distance of [#permalink]
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