Two cyclists are driving towards each other, the distance between them is 54 km.

| January 28, 2021 | education

Two cyclists are driving towards each other, the distance between them is 54 km. After what time will they meet, ate the speed of the first 12 km / h, and the second 15 km / h?

Movement towards;

Distance – 54 km;

Speed of 1 cyclist – 12 km / h;

Speed of 2 cyclists – 15 km / h;

Time until the meeting -? h.

Decision:

Based on the fact that cyclists travel towards each other and approach each other in 1 hour at 12 and 15 km, we can calculate their overall speed (approach):

1) 12 + 15 = 27 (km / h) – approach speed.

Now, knowing the speed and distance, you can calculate the time until the cyclists meet by dividing the distance between them by the speed at which they approach each other:

2) 54/27 = 2 (h) – time until the meeting of cyclists.

Answer: 2 hours.



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