Math, asked by tanushakhatoon, 3 months ago

The length of a room is y metres. Write the breadth of the room which is 20 m less than twice the length. Write an expression for the perimeter of the room​

Answers

Answered by purvi1204
4

Answer:

6y-40

Step-by-step explanation:

l=y

b=2y-20

2(l+b)

2(y+2y-20)

2y+4y-40

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