Michael plays 1/5 of a song in 1/15 of a minute. How much time will it take him to play an entire song

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.

146%

step-by-step explanation:

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).