The number of square miles she would use for the sportfield is: 36/100 square mile.
What is a Square?
A square is a shape with equal sides.
The whole park given has 100 squares = 1-square mile.
1 square represents 1/100 square mile.
Therefore, we would have the following:
36 × 1/100 = 36/100
Therefore, the number of square miles she would use for the sportfield is: 36/100 square mile.
Learn more about squares on:
https://brainly.com/question/2279006
