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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.

A 2-column table with 2 rows. Column 1 is labeled Company A with entries 18 dollars, 120 minutes. Column 2 is labeled Company B with entries 21 dollars, 150 minutes.

Sarah wants to know which company costs the least amount per minute.

Which quotients should Sarah find? Check all that apply.
StartFraction 120 Over 8 EndFraction
StartFraction 18 Over 120 EndFraction
StartFraction 150 Over 21 EndFraction
StartFraction 21 Over 150 EndFraction