# On the first day 2/5 of the way, and on the second 36 km. You need to find the distance of the entire path.

Let’s mark the entire path that a pedestrian needs to go through S.

By the condition of the problem, it is known that on the first day a pedestrian

passed 2/5 of the entire path.

Therefore, on the first day he covered the distance 2/5 * S

and we can calculate how far a pedestrian will have to walk on the second day. Namely:

S – 2/5 * S = S * (1 – 2/5) = 3/5 * S.

By the condition of the problem, it is also known that the distance that a pedestrian will walk on the second day is 36 km. Means:

3/5 * S = 36,

S = 5/3 * 36 = 5 * 12 = 60.

Answer: the whole path is 60 km.

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