Question

can anyone tell me how to solve this problem...​

Answer 1

Answer:

according to question :-

let breadth be x so

length = 2x-5

now if lenght is decreased by 5 so New length = 2x-5-5 = 2x-10

and new breadth = 2x+2

perimeter = 74

so

p = 2(l+b)

74 = 2(2x-10+2x+2)

74 = 2(4x-8)

74 = 8x -16

74+16 = 8x

90 = 8x

90/8 = x

11.25 cm = x

so breadth = x = 11.25 cm

length = 2x-5 = 2*11.25-5 = 22.5-5 = 17.5cm

hope you understand plz mark it as brainliest

Answer 2

Answer:

L is 25cm, W is 15cm

Step-by-step explanation:

Let the width be x.

Length=2x-5

New width=x+2

New length=2x-5-5=2x-10

New perimeter=74cm

p=2*(l+b) so,

2*(x+2+2x-10)=74

3x-8=37

x=15

Original width=15cm

Original length=2(15)-5=25cm