Answer:1/3 of a minute
Step-by-step explanation:The time taken to play \dfrac{1}{5} of a song = \dfrac{1}{15} of a minute.
Then , The time taken to play an entire song will be : 5\times\dfrac{1}{15} of a minute.
i.e. The time taken to play an entire song will be : \dfrac{1}{3} of a minute.