On the album 1989 by taylor swift, blank space is 12 seconds longer than shake it off. if the combined time of the two songs is 7 minutes and 30 seconds, how long is shake it off? give your answer in minutes and seconds.

Givens:

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.

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24

where's the diagram?

step-by-step explanation: