Question

The length of a rectangular field is twice its breadth. If the perimeter of the field is 150 meters,find its length and breadth.

Answer 1

let breadth be x
length be 2x
perimeter=150
2(l+b)=150
2(2x+x)=150
4x+2x=150
6x=150
x=150÷6
x=25

so length=2x=2×25=50
breadth=25

Answer 2

Answer:

let breadth be x

length be 2x

perimeter=150

2(l+b)=150

2(2x+x)=150

4x+2x=150

6x=150

x=150÷6

x=25

so length=2x=2×25=50

breadth=25

Step-by-step explanation:

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