In December, Leopoldine and Dolorine's dad gave them three packets of advent calendars! Each calendar has 1 calendar per day from December 1st to December 24, and 2 chocolates on December 25th.

1) How many chocolates do the girls have altogether?

2) On December 10, Leopodine ate 1/6 of the chocolates. How many did she eat?

3) Dolorine eats chocolate on her way home from school, every day 2 minutes 30 seconds later than the day before. She eats the one for December 1st at 5 p.m., and the one for December 2nd at 5:02min30sec p.m.

a) After one week, on the 7th, how much later does she eat her chocolate?

b) On the day of the holidays, Friday, December 20, at what time will Leopoldine eat her chocolate?