Summer camp

Some boys or girls signed up for the summer camp, which has a maximum capacity of 200 children. The main leader noticed that during the evening start, he could arrange the participants exactly in the twelve-step, sixteen-step, or eighteen-step, and no one would be left or missing. How many children signed up for the camp?

Correct answer:

x =  144

Step-by-step explanation:

x<200  12=223 16=24 18=232 LCM(12,16,18)=2432=144  x=LCM(12,16,18)=144

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