Ellie and heather drew floor models of their living rooms. ellie's model represented 20 feet by 15 feet. heathers model represented 18 feet by 18 feet. whose floor model represented the greater area? how much greater?

The side length was multiplied by 5.

Step-by-step explanation:

Area of square =

We are given that the area of square is

So,

So, the side of original square is A.

Area of square =

Area of enlarged square =

So,

So, the side of enlarged square is 5A.

So, the side of the enlarged square is 5 times the side of the original square.

Thus Option B is true .

The side length was multiplied by 5.