Question

the length of a room is 2.5 times its breadth write an expression for the perimeter of the room
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Answer 1

let breadth of room be x

therefore it's length= 2.5x

perimeter of the room =2(l+b)

→2(2.5x+x)

Answer 2

Answer:

the length of a room is 2.5 times its breadth write an expression for the perimeter of the room