viikossa

In a sentence

• Käyn kuntosalilla kolme kertaa viikossa.

  I go to the gym three times a week.

  Here, 'viikossa' is used to describe the frequency of an action within the time frame of a week.

• Keskiarvo on viisi lukuviikossa.

  The average is five reading weeks.

  In this sentence, 'viikossa' indicates the context of calculating an average number related to weeks.

• Tämä lääke otetaan kerran viikossa.

  This medicine is taken once a week.

  'Viikossa' is detailing the schedule or interval at which the medicine is consumed, which is once per week.

• Käyn kuntosalilla kolme kertaa viikossa.

  I go to the gym three times a week.

  The phrase "viikossa" specifies the time period (within a week) in which the action occurs.

• Viikossa on seitsemän päivää.

  There are seven days in a week.

  In this sentence, "viikossa" refers to the structure and duration of one week, encompassing seven days.

• Hän yleensä lukee kaksi kirjaa viikossa.

  He usually reads two books a week.

  Here, "viikossa" indicates the frequency or distribution of the action (reading) over the timeframe of one week.