I think that attendance is often mandatory (certainly in tertiary studies that I've done in Australia it has been)
I went to university in Melbourne, and attendance was only mandatory for the practical/lab component of each course; lectures and tutorials were optional (but obviously recommended).
Given that there are ~52 weeks in a year, how can less than $100 a week in fuel add up to $7k/year?
a little less than 1 tank of fuel per week
That's right, and
around $100/tank of fuel
means you're using a little less than $100 of fuel per week.
Given that there are ~52 weeks in a year, how can less than $100 a week in fuel add up to $7k/year?
Thus mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true. -- Bertrand Russell