On the trip

On the trip were more than 55 children, but less than 65. The teacher could form groups of 7, but groups of 8, no. How many children were on a trip?

Correct answer:

n =  63

Step-by-step explanation:

n1=7 8=56 n2=7 9=63 55 < n1 < 65 55 < n2 < 65  o1=n1/8=56/8=7 o2=n2/8=63/8=863=787=7.875  n=n2=63



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