Question
Some children board a school bus.
At Bus Stop A, 37 of them alight
and 4 children board.
At Bus Stop B, 38 of the children alight
and 5 board.
If there are 15 children on the bus now,
how many children are on the bus at first?
3 m

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Some children board a school bus.
At Bus Stop A, 37 of them alight
and 4 children board.
At Bus Stop B, 38 of the children alight
and 5 board.
If there are 15 children on the bus now,
how many children are on the bus at first?