Respuesta :
2 and 1/5 hours = 132 minutes (120 + 12)
therefore Mary will have 132/7 = 18.85714285714286 minutes for each chore.
Or around 18.85 minutes for each chore
therefore Mary will have 132/7 = 18.85714285714286 minutes for each chore.
Or around 18.85 minutes for each chore
21 minutes because 2 1/2 hours is 150 mins 150 divided by 7 equals 21