Answer:
New width will be larger than old width.
Step-by-step explanation:
Given width of room is
And length of room is
Then the old area will be
Also we have to make this room three times larger as it is now.
We can see the ratio between width and length of room is
let us say the length of new room is
So, width of room will be
And we know area of rectangle is
Also, the new area will be
Then the equation will be
So, the width of new room is
So, the increment in width is