Answer
Find out the conversion factor for seconds to minutes and convert 135 seconds to minutes.
To prove
1 minute = 60 second
for seconds to minutes.
[tex]1 second = \frac{1}{60}\ minutes[/tex]
Therefore the conversion factor for seconds to minutes be
[tex]= \frac{1}{60}\ minutes[/tex]
Now convert 135 seconds to minutes.
[tex]= \frac{135\times 1}{60}[/tex]
= 2.25 minutes
Hence proved