其它
A certain movie is $$90$$ minutes long. It started at $$5:10\textasciitilde\text{PM}$$. During the movie, there were two commercial breaks, one lasting $$8$$ minutes and one lasting $$5$$ minutes. At what time did the movie finish? (2009 Math Kangaroo Problem, Level 3-4, Question \#8) 
Overseas Competition->Knowledge Point->Combinatorics->Time Problem->Time Calculation
$90+8+5=103$ min=$1$ h $43$ min  $5:10+$ $1$ h $43$ min $=6:53$ 