Simple looking equation stumps people - can you remember the 'special rule' to get right answer?

In grade school, you were constantly drilled on mathematics. But as an adult, those lessons all too often fall to the wayside ...
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Divide a Board Without Tricky Math Why Didnt I Think of That

Peter Doocy, Jacqui Heinrich to bring a 'new perspective' with 'The Sunday Briefing' Scientists May Have Found Signs of a ...