Check the multiples of (6 x n.5) then see what works with 8.
when 6 x 1.5 = 9 then 9/8 —> remainder 1
when 6 x 2.5 = 15 then 15/8 —> remainder 7
when 6 x 3.5 = 21 then 21/8 —> remainder 5
when 6 x 4.5 = 27 then 27/8 —> remainder 3
Least children = 27
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