Question

Which of the following situations is an example of direct proportion? *
2 points
Option 1: The perimeter p of a square and its side length a.
Option 2: The length l and the width w of a rectangle, given the area remain constant.
Option 3: The number of units of a product that can be purchased given a fixed amount of money, and the unit price of the product.
Option 4: The number of rows m and the number of columns n in which a fixed number of marbles can be arranged.​

Answer 1

Answer:

Option 4: The number of rows m and the number of columns n in which a fixed number of marbles can be arranged.

Answer 2

Answer:

The number of rows m and the number of columns n in which a fixed number of marbles