A motorcyclist and a motorist drove out of the city in one direction at a speed of 48 km / h and 60 km / h, respectively.
| January 16, 2021 | education
A motorcyclist and a motorist drove out of the city in one direction at a speed of 48 km / h and 60 km / h, respectively. What is the distance between them in 2.8 hours?
If a motorcyclist and a motorist move in the same direction at different speeds, then one will lag behind the other in 1 hour by the difference in their speeds. Let’s find the speed of their lagging from each other:
1) 60 – 48 = 12 (km / h)
If we know that after 1 hour the distance between them will be 12 km, then after 2.8 hours the distance between them will be:
2) 12 * 2.8 = 33.6 (km)
Answer: the distance between the motorcyclist and the motorist will be 33.6 km in 2.8 hours.
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