rant about rates and fees.

uh, i didn't get all the infos i need for constructing the numerical part of this thematic mathematical rant. so i just put in examples, and before that i calculate algebraically.

here goes!

Journey Report (08 July 2010)

another belated report... caused by my laziness...

i went to Istora Senayan for one thing (plus another hidden), which was to participate in a math competition! okay i'll post the problems later.

actually it started at 10 am, BUT (yeah, a big but), my aunt delivered me there with my friend at 8 am. we went from home at 7 am.

so, what do we do for roughly 2 hours?

well...

rant about handwash soap

all right now i feel like i want to make some little calculation after seeing a handwash soap advertisement. they say that washing your hands with that soap eradicates 99.99% of the bacterium that exist there, so let's calculate a bit.