The barge sailed along the river for 88 km and back 72, you need to find the speed
| April 8, 2021 | education
The barge sailed along the river for 88 km and back 72, you need to find the speed of the barge if the speed of the river is 5 km / h. The whole journey took 10 hours.
Let’s find the total distance that the barge sailed.
88 + 72 = 160 kilometers the barge sailed back and forth.
Spent time for all this distance 10 hours. We can find out the speed of the barge.
160: 10 = 16 km / h. the speed of the barge along the river.
We do not take into account the speed of the river, which is 5 km /, since it was moving downstream and against it.
Answer: 16 km / h. barge speed.
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