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IN A MARATHON, 90% OF THE RUNNERS COMPLETED IT AND 30% OF THEM WERE MEN IF 270 MEN COMPLETED THE MARATHON. HOW MANY TOTAL RUNNERS

IN A MARATHON, 90% OF THE RUNNERS COMPLETED IT AND 30% OF THEM WERE MEN IF 270 MEN COMPLETED THE MARATHON. HOW MANY TOTAL RUNNERS BEGAN IT? 2 answers

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