From two points A and B, located at a distance of 120 km from each other, at the same time, two motorcyclists

| April 11, 2021 | education

From two points A and B, located at a distance of 120 km from each other, at the same time, two motorcyclists left in opposite directions. The speed of one was 55 km / h and the speed of the arc was 10 km / h higher. at what distance from each other will they be in 7 hours after the start of the movement?

1. Let’s find the speed of movement of the second motorcyclist, if it is known that he is moving faster than the first motorcyclist by 10 km per hour.

55 + 10 = 5 km per hour.

2. Since motorcyclists travel in opposite directions, they therefore move away from each other. We will find out how many kilometers motorcyclists move away in 1 hour.

55 + 65 = 120 km per hour.

3. Find out what distance the motorcyclists will cover in 7 hours.

120 * 7 = 840 km.

4. Find the distance between the motorcyclists after 7 hours of travel, if initially there was 120 km between them.

840 + 120 = 960 km.

Answer: The distance between the motorcyclists in 7 hours will be 960 km.



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