- A6
- B60
- C30
- D20
Step-by-Step Solution
First put the whole into the unit the answer needs: 3 hours = 180 minutes. Then of 180 is 180 ÷ 6 = 30 minutes. 60 minutes would be of the time, and answering 6 just copies the denominator instead of working with the whole.
Answer: C) 30