Question
At a school swimming event, 25 of the students were girls. Given that that 23 of the boys and 56 of the girls did not know how to swim, how many students were there altogether if there were 140 swimmers at the event?
4 m

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At a school swimming event, 25 of the students were girls. Given that that 23 of the boys and 56 of the girls did not know how to swim, how many students were there altogether if there were 140 swimmers at the event?