Match the items

    
Match the items on the right to the items on the left.
(P1 × D1 × H1) / W1 = (P2 × D2 × H2) / W2
The product of the extremes = The product of the means
a × (d/c) × (e/f)
(a+b) / ab
ab / (a+b)
Formula method
Proportion Method
Multiplicative Factor Method
One day work
days