SOLUTION: PLEASE If 5 men to paint five flagpoles in 5 hours, how many men are needed to paint the 15 flagpoles in 15 hours? . I know we should use rate here..but i don't know how :(

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 Question 417633: PLEASE If 5 men to paint five flagpoles in 5 hours, how many men are needed to paint the 15 flagpoles in 15 hours? . I know we should use rate here..but i don't know how :( Found 2 solutions by stanbon, ankor@dixie-net.com:Answer by stanbon(57354)   (Show Source): You can put this solution on YOUR website!If 5 men to paint five flagpoles in 5 hours, how many men are needed to paint the 15 flagpoles in 15 hours? ----- # of men and hours are inversely related # of men # of flagpoles are directly related --- men = k*poles/hrs ---- Solve for "k" using "5 men paint five flagpoles in 5 hours" --- 5 = k*5/5 k = 5 ---- Equation: # of men = 5*poles/hrs ---- Solve "how many men are needed to paint the 15 flagpoles in 15 hours?". # of men = 5*15/15 ---- # of men = 5 ==================== Cheers, Stan H. Answer by ankor@dixie-net.com(15652)   (Show Source): You can put this solution on YOUR website!If 5 men to paint five flagpoles in 5 hours, : Find the no. of man-hrs per flag pole = 5 man-hrs per flag pole : how many men are needed to paint the 15 flagpoles in 15 hours? Let m = no. of men required to accomplish this 15m = 5(15) 15m = 75 m = m = 5 men