The number of hours, h that m men take to cut x trees is proportional to the number of trees and inversely proportional to the number of men. If 6 men can cut 30 trees in 10 hours, then how many men are needed to cut 80 trees in 8 hours ?
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The number of hours, h that m men take to cut x trees is proportional to the number of trees and inversely proportional to the number of men. If 6 men can cut 30 trees in 10 hours, then how many men are needed to cut 80 trees in 8 hours ?
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20 men click the picture for the explanation hope its helps