Question

A motorboat with a speed of 20 km/h takes 2 hours to cover a certain distance
downstream. The speed of the stream is 10 km/h. How much time will the
motorboat take to cover the same distance upstream?
(1) 6 hours
(2) 4 hours
(3) 5 hours
(4) 2 hours
plzz answer with explanation!​

Answer 1

Answer:

the motor boat will take 4hours

Answer 2

Answer:

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Step-by-step explanation:

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