How long did the tourists spend on the whole journey if they traveled 90 km by boat at a speed of 30 km / h

univerkov | January 8, 2021 | education

How long did the tourists spend on the whole journey if they traveled 90 km by boat at a speed of 30 km / h and walked 12 km at a speed of 4 km / h?

Let’s find out how long the tourists were on the boat.
According to the condition of the problem, tourists traveled 90 km on a boat, which was traveling at a speed of 30 km / h, therefore, the time during which tourists traveled on a boat is 90/30 = 3 hours.
Let’s find out how long the tourists walked.
According to the condition of the problem, tourists walked 12 km on foot at a speed of 4 km / h, therefore, the time during which tourists walked is 12/4 = 3 hours.
Therefore, the tourists spent 3 + 3 = 6 hours for the whole journey.
Answer: the tourists spent 6 hours on the whole journey.

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