Answer:
Givens:
- Blank Space is 12 sec longer than Shake It Off.
- The duration combined is 7 minutes and 30 seconds, which is 420 seconds.
Lest's call Blank Space and Shake it Off, the relations would be
Now, we replace the first equation into the second equation and solve for :
Then, we replace this value into the first equation
This means that Shake It Off is 204 seconds long and Blank Space is 216 seconds long.
<h3> Therefore, if we express in minutes and seconds, we would have:</h3>