The two travelers went out to meet each other at the same time and met after 4 hours. How much of the initial distance did they approach each other every hour?
We will take the total distance as unit 1. This unit of distance was covered by the travelers in 4 hours. This means that for every hour they approached by ¼ part of the entire path.
You can check:
1 – (1/4 + ¼ + ¼ + ¼) = 0.
Or, you can make a proportion:
1 – 4 hours;
X – 1 hour.
Therefore, X = ¼.
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