From two berths, the distance between which is 90 km, two boats went out to meet each other at the same time.
| December 21, 2020 | education
From two berths, the distance between which is 90 km, two boats went out to meet each other at the same time. The first one was sailing at a speed of 8 km / h, the second at a speed of 10 km / h. How many hours did the boats meet?
You need to find out the speed of the two boats together, for this we add the speed of the first boat and the second 10 + 8 = 18 km / h
then we find out how many boats will meet 90: 18 = 5 hours
Reply boats will meet in 5 hours.
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