Question
There were 22 men, 22 women and 16 children onboard a bus. At the first bus-stop, 4 men, 4 women and 9 children alighted. At the same time, 27 children and 3 women boarded the bus. How many more adults than children were there in the bus after leaving the first bus-stop?
4 m

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There were 22 men, 22 women and 16 children onboard a bus. At the first bus-stop, 4 men, 4 women and 9 children alighted. At the same time, 27 children and 3 women boarded the bus. How many more adults than children were there in the bus after leaving the first bus-stop?