salam5463
salam5463
18-01-2022
SAT
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In a marathon 90 of runners managed to complete it.
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silvitagonzale
silvitagonzale
18-01-2022
There were 270*100/30 = 900 total finishers. 90% completed the marathon, so 900*100/90 = 1000 began the marathon. 1,000 runners total.
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