Children

Less than 20 children played various games in the yard. They can create pairs, trios, and quartets. How many children were in the yard when Annie came to them?

Correct answer:

n =  13

Step-by-step explanation:

n1 < 20 n< 21 n1 = 3 4 k; k  N  n=12+1=13



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You need to know the following knowledge to solve this word math problem:

algebraarithmeticbasic operations and conceptsGrade of the word problem

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