The motor boat sailed along the river for 5 hours at a speed of 24 km / h. On the way back, she spent 1 hour more time
| December 21, 2020 | education
The motor boat sailed along the river for 5 hours at a speed of 24 km / h. On the way back, she spent 1 hour more time, which is equal to the speed of the motor boat against the river. What is needed is action.
Given
time – 5 hours
path unknown
speed 24 km per hour
Decision :
1) 5 * 24 = 120 (KM) path
2) 5 + 1 = 6 (Hours) return journey
3) 120: 6 = 20 km / h
Answer: 20 km / h
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