I'm a year 11 student (Victoria, Australia) who typically excells at mathematics, science, etc. and have been asked to tutor a younger student in mathematics who is around average performance (C's), and get him up to a higher level (B's and A's).
I've only every tutored another student once before - two years ago, and was paid $20 per session for two half-hour sessions per week (amounting to $40.00 per hour). This seems like a lot, and I'm not really sure if I should ask for that much (the last time it was offered).
I have another two casual jobs, which both pay reasonably well, but take up a lot of my time - so it has to be worth my while to actually take on the student, however as mentioned I don't want to seem rude by asking for too much.
What I want to know is what are the things that I should consider when coming up with a reasonable price for this type of tuition?.