6 workers can cut down 15 mahogany trees in 2 hours. How many hours will it take 8 workers to cut down 35 mahogany trees if they are working at the same rate?
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Step-by-step explanation:
6 workers can cut down 15trees/2hrs = 7.5 trees/hr.
35trees * 1hr/7.5trees * 6/8 = 3.5 hrs. = Time for 8 men to cut down 35 trees.
3.5-2 = 1.5 hrs. longer.
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