Question

The length of a rectangle is 3/2 times its breadth if the perimeter of the rectangle is 150cm find its length and breadth

Answer 1

Let the breadth be x.
Then the length=3x/2
Perimeter=150cm
2[(3x/2)+x]=150
2[5x/2]=150
5x=150
x=30
Length=45cm
Breadth=30cm

Answer 2

Answer:

Step-by-step explanation:

Length= 3/2 x

Breadth = x

Perimeter = 2(l + b) = 150

= 2(3/2 x + 2/2 x) = 2(5/2 x) = 2(5x/2) = 150

Numerator and denominator 2 will be canceled therefore

5x = 150

when 5 goes to the other side it will become the denominator and

x = 150/5

therefore x = 30

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