From Sunday to Saturday which of these days are specified by Catholic practices for fasting and abstinence
Both "what days of the week" and "which days of the week" are correct; however, "which days of the week" is typically used when the choices are limited, while "what days of the week" is more open-ended.
Seven days in a week is more generally used than seven days in the week, except if in reference to a specific week such as 'the seven days in the week' when referring to a specific week, such as the week before Christmas.
There are 7 days in a week and there is 4 weeks in a month
5 days is one work week, but there are 7 days in a week.
There are seven days in a week.
there are 7 days in a week.
7 days in a week
7 days in a week?
There are not 5 days in a week. There are 7 days in a week. There are 5 days in the working week for most people, because we have a two day weekend.
There are 7 days in a week but only 5 days in a business week, also called a work week.
A week is 7 days. Therefore, a week and a half would be 10.5 days.
2/7 of a week would be two days since a week is seven days, two 'parts' of a week would be two days.