last week, your delivery runs took 7 hours 12 minutes on monday, 6 hours 46 minutes on wednesday, and 6…

last week, your delivery runs took 7 hours 12 minutes on monday, 6 hours 46 minutes on wednesday, and 6 hours 53 minutes on friday. what was your average time for a delivery run?\na. 6 hours 46 minutes\nb. 6 hours 53 minutes\nc. 6 hours 57 minutes\nd. 6 hours 59 minutes\ne. 7 hours 10 minutes

last week, your delivery runs took 7 hours 12 minutes on monday, 6 hours 46 minutes on wednesday, and 6 hours 53 minutes on friday. what was your average time for a delivery run?\na. 6 hours 46 minutes\nb. 6 hours 53 minutes\nc. 6 hours 57 minutes\nd. 6 hours 59 minutes\ne. 7 hours 10 minutes

Answer

Explanation:

Step1: Convert time to minutes

  • Monday: (7\times60 + 12=432) minutes
  • Wednesday: (6\times60+46 = 406) minutes
  • Friday: (6\times60 + 53=413) minutes

Step2: Calculate total minutes

(432+406 + 413=1251) minutes

Step3: Calculate average minutes

(\frac{1251}{3}=417) minutes

Step4: Convert back to hours and minutes

(417\div60 = 6) hours (57) minutes ((6\times60=360), (417 - 360=57))

Answer:

C. 6 hours 57 minutes