The tourist drove by car for 6 hours at a speed of 75 km / h and walked for 4 hours at a speed of 5 km / h.
| December 7, 2020 | education
The tourist drove by car for 6 hours at a speed of 75 km / h and walked for 4 hours at a speed of 5 km / h. Find the average speed of the tourist along the way.
algorithm for solving this task:
1) _6 * 75 = 450
2) _4 * 5 = 20
3) _450 + 20 = 470 (all the way)
4) _6 + 4 = 10 (hours all the way)
5) _470/10 = 47km / h (average speed)
answer: 47km / h
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