150 minutes / day for a week
= (150 minutes / day) (7 days / week)
= 150 7 minutes / week
= 1050 minutes / week
(1050 minutes / week) (1 hour / 60 minutes)
= (1050 / 60) hours / week
= (105 / 6) hours / week
= 17.5 hours / week
You could also convert to hours first. 150 minutes = 2.5 hours 7 days = 17.5 hours per week.
