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OpenStudy (anonymous):
A number of children are standing in a circle. They are evenly spaced and the 7th child is directly opposite the 18th child. How many children are there altogether?
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OpenStudy (anonymous):
that's what i was thinking, but not sure if we should subtract 1
OpenStudy (anonymous):
22
OpenStudy (kinggeorge):
\(2\cdot(18-7) = 22\)
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