The work for construction of the village road will be started. It has been decided that 14 people will work 4 hours daily for 15 days to complete the total work. Let’s work out using the Rule of three method how long it will take to complete the work by 24 people working 7 hours daily.
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: -
method used is called indirect or inverse proportions method
work done=people x hour x day
=14x4x15=840
for same work done
840=people x hour x day
840=24x7xday
day=5
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