If p men working p hours per day for p days produce p units

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If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for n days is

∵ P men working P hours/day for P days produce P units of work.
∴ 1 man working 1 hour/day for 1 day produce

	p	=	1	units of work
	p³		p²

∴ n men working n hours a da for n day’s produce

	n³	units of work
	p²

Aliter : Using Rule 1,
Here, M₁ = p, D₁ = p, T₁ =p,W₁ = p
M₂ = n, D₂ = n, T₂ = n, W₂ = ?
M₁D₁T₁W₂ = M₂D₂T₂W₁
p × p × p × w₂ = n × n × n × p

w₂ =	n³
	p²