3 years ago

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

1 answer:

8 0

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.

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