Question 417633
If 5 men to paint five flagpoles in 5 hours, how many men are needed to paint the 15 flagpoles in 15 hours?
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# of men and hours are inversely related
# of men # of flagpoles are directly related
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men = k*poles/hrs
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Solve for "k" using "5 men paint five flagpoles in 5 hours"
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5 = k*5/5
k = 5
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Equation:
# of men = 5*poles/hrs
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Solve "how many men are needed to paint the 15 flagpoles in 15 hours?".
# of men = 5*15/15
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# of men = 5
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Cheers,
Stan H.