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.

Therefore the conversion factor for seconds to minutes be

Now convert 135 seconds to minutes.

= 2.25 minutes
Hence proved
Here’s your answer. Hope this helped!!
<span>The best answer is C because 2.17 x 2=4.34
</span><span>C. Its value for group A is double the value for Group B.</span>