Question

the breadth of a rectangle is 5 cm more than one third of the length the perimeter of the rectangle is 42 cm find the length of the rectangle

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

let length be =x

breadth will be =x/3+5=(x-15)/3

perimeter is=42

so,

perimeter =2(length+breadth)

42=2(x+(x+15)/3)

42/2=(3x+x+15)/3

21*3=4x+15

63-15=4x

48/4=x

12

therefore length=12

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