You should re-charge 14 mins.
14 +3 -15=2 mins, that is your missed 2 mins.
You can watch the remained 43 mins.
14x2+15=43 mins=45+15-14-3mins
14 +3 -15=2 mins, that is your missed 2 mins.
You can watch the remained 43 mins.
14x2+15=43 mins=45+15-14-3mins