w children were riding on the bus. At the bus stop x children got off the bus while some more got on the bus. Then there were y children altogether on the bus. How many more children got off the bus than those that got on?
There were 36 children riding on the bus. At the bus stop, 68 children got off the bus while some more got on the bus. Then there were 12 children altogether on the bus. So, 68 - 36 = 32 more children got off the bus than those that got on.