SOLUTION: The length of a rectangular field is twice its breadth. A girl jogged around it 5 times and covered a distance of 3km. What is the length of the field?
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Question 415063: The length of a rectangular field is twice its breadth. A girl jogged around it 5 times and covered a distance of 3km. What is the length of the field?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
breadth = x
length = 2x
..
perimeter = 2*(L+B)
=2(2x+x)
=6x
6x= 3/5
6x*5=3
30x=3
x=1/10 km = 100 m
Length = 100*2=200 m
...
(100+100+200+200)* 5 = 3000 m= 3km
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