Number of pushups that can be completed in 5 minutes = 40
Number of pushups that can be completed in 1 minute :-
So , 8 pushups can be completed in one minute .
1 hour = 60 minutes
Number of pushups that can be completed in 1 hour :-
= 8 × 60
= 480 pushups .
Therefore , I can complete 480 pushups in one hour .