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A fish can travel 30km/h in still water. How long will it take to arrive 12km downstream in a river flowing 6km/h?
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A fish can travel 30km/h in still water. How long will it take to arrive 12km downstream in a river flowing 6km/h?

User Berkin
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1 Answer

1 vote
30 + 6 = 36

36/12 = 3



So, it would take it 3 hours to go 12 kms downstream.



Note that we added 30 and 6 because it was going downstream. If it was going upstream, then we would have had to subtract.
User Morg
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