Answer:
<h2>Nadia's routine is around 0.95 times the duration of the music.</h2>
Step-by-step explanation:
Givens:
- The routine last 4 minutes.
- She finished 12 seconds before the music ends.
Basically, the music is 12 seconds more than the routine, that is, the music last 4 minutes and 12 seconds, which have to transform to just minutes to find the ration between both durations.
So, the music is . Now to find the percentage of the music is Nadia's routine, we just have to divide:
Therefore, Nadia's routine is around 0.95 times the duration of the music.