Gillian did not attend to school from 17th january 2012 to 4th february 2012.How many days did Gillian miss the school?please anyone to solve it and show clear solution

2 answers

Here's a 2012 calendar. Count the school days.

http://m.dreamscity.net/imgcache/2/2126dreamscity.png
I assume he didn't attend school on the 17th, so that is day 1.