Answer :
1 hour includes 60 minutes
? hour includes 20 minutes
[tex]?= \frac{20*1}{60} = \frac{2}{6} = \frac{1}{3} ~~ hour[/tex]
? hour includes 20 minutes
[tex]?= \frac{20*1}{60} = \frac{2}{6} = \frac{1}{3} ~~ hour[/tex]
