Asked by kimberly

A piece of music with a tempo of 100 beats per minute (bpm) has a playing time of 3 minutes. The piece is edited to have a playing time of 120 beats per minute.

How long will the edited piece play in minutes?


2.0 minutes

4.0 minutes

2.5 minutes

3.5 minutes
Answered by Damon
It plays faster by a ratio of 120/100 so will take 100/120 times as long
3 * 100/120 = 100 / 40 = 5/2 = 2.5