The following pie charts show the number of start-ups started in various sectors since 2016 and the number of successful startups in those sectors respectively.

Find the ratio of the number of successful start-ups in entertainment sector to the total number of start-ups in entertainment since 2016 .

5 : 16

In Entertainment ,

Successful start-ups  :  Total number of Start-ups 

        175                  :            560

           5                   :             16