Mathematics, 06.01.2021 20:00 rhlalbin

There were 45 runners to start a race. In the first half of the race 2/3 of them dropped out. In the second half 2/5 of the remaining runners dropped out. How many runners finished the race?

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There were 45 runners to start a race. In the first half of the race 2/3 of them dropped out. In the...

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