Which situations below represent a proportional relationship?
A square with side length of 5 inches has an area of 25 square inches. A square with side length of 10 inches has an area of 100 square inches.
There are 180 calories in a 12-ounce can of soda and 300 calories in a 20-ounce bottle of soda.
Sofia mows 6 lawns in 4 hours and 30 minutes. She mows 9 lawns in 6 hours and 45 minutes.
A bag of 24 candies has 8 green candies. A bag of 30 candies has 14 green candies.
Tate rode a bike 4.5 miles in 18 minutes and rode 11.25 miles in 45 minutes.
The situations that represent a proportional relationship are:
1) A square with side length of 5 inches has an area of 25 square inches. A square with side length of 10 inches has an area of 100 square inches.
2) There are 180 calories in a 12-ounce can of soda and 300 calories in a 20-ounce bottle of soda.
3) A bag of 24 candies has 8 green candies. A bag of 30 candies has 14 green candies.