# The speed of a pedestrian is 4 km / h, and a cyclist is 12 km / h. What is the distance

The speed of a pedestrian is 4 km / h, and a cyclist is 12 km / h. What is the distance between them three hours after the start of the movement?

1 way.
Let’s find the distance that each of them will travel in 3 hours.
To do this, we multiply the speed of each by the travel time.
A pedestrian will pass:
4 * 3 = 12 km.
The cyclist will ride:
12 * 3 = 36 km.
We find the distance between them in 3 hours.
We subtract the distance traveled by the pedestrian from the cyclist’s path.
36 – 12 = 24 km.

Method 2.
Let’s find the difference in speed.
12 – 4 = 8 km / h (this is how much the cyclist’s speed is higher).
The distance between them will be equal to:
8 * 3 = 24 km.
Answer: In 3 hours there will be 24 km between them.

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