Sarah is trying to find the best deal for her phone service. She narrowed down the choices to the two companies in the table. Both companies charge per-minute rates, and there are no additional costs.
Sarah wants to know which company costs the least amount per minute.
Which quotients should Sarah find? Check all that apply.
Ο 120/18
Ο 18/120
Ο 150/21
Ο 21/150