theorem1:-

The Rule of Three is a Mathematical Rule that allows you to solve problems based on proportions. By having three numbers: a, b, c,

(a)Direct proportions rule of 3:-

if a b

c then (b)inverse proportions rule of 3:-

if a b

c then formula:- (i)direct method---- (ii)indirect or inverse proportions xy=k given:-w1=3/7,w2=4/7,d1=15,d2=?,p1=30,p2=40      d2=15

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