the music for nadias dance routine lasts for 4 mins. when nadia dances her routine she starts with her music and finishes 12 seconds before the music ended what precent of the time the music is playing is nadia dancing
4 minutes is 4 x 60 seconds = 240 seconds
Nadia stops 12 seconds before the music ends so 240 - 12 = 228 seconds she dances
Percentage of time she dances is 228/240 x 100 = 95%
~jc
+93 
