# Cross-country race

In the charity cross-country race of three-member relays, each team had to run a total of 36 km. Adam, Boris and Ctirad gradually ran for team A. Boris, and Ctirad ran a distance three times longer than Adam. Ctirad ran a distance of 5 km longer than Boris.

How many km did Adam, Boris, Ctirad run?

How many km did Adam, Boris, Ctirad run?

### Correct answer:

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