Question

Which of the following situations is an example of direct proportion? *


(1) The number of units of a product that can be purchased given a fixed amount of money,and the unit price of the product.

(2) The perimeter p of a square and its side length a.

(3) The length l and the width w of a rectangle, given the area remain constant

(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:

3 is the correct answer hope it helps you good morning have a nice day ahead

Answer 2

(1) Which of the following situations is an example of direct proportion? 

Answer:- (3) The length l and the width w of a rectangle, given the area remain constant