Question
Some students board a school bus.
At Bus Stop A, 25 of them alight
and 3 students board.
At Bus Stop B, 13 of the students alight
and 6 board.
If there are 20 students on the bus now,
how many students are on the bus at first?
3 m

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Some students board a school bus.
At Bus Stop A, 25 of them alight
and 3 students board.
At Bus Stop B, 13 of the students alight
and 6 board.
If there are 20 students on the bus now,
how many students are on the bus at first?