Answer :

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 ab


c then


(b)inverse proportions rule of 3:-


if ab


c then


formula:- (i)direct method----


(ii)indirect or inverse proportions xy=k


given:-



method used is called direct method


with 9 km/hr velocity 112.25km distance is travelled


with 1 km/hr velocity 112.25/9=12.4722 km distance is travelled


so,with 12km/hr velocity 12.4722x12=149.6666km distance


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