LOL I thought you were making a political statement and I was wondering who the heck is Cam.
It wasn't till I got to the very end that I realized that this was a proper maths question :)
Cam is a corrupt politician. Nobody votes for him except those he pays to do so. It costs Cam exactly 100 dollars, 100 to buy each vote. Are Cam's costs proportional to the number of votes he receives?
Yes they are :)
Cost = 100*Votes
The two are directly proportional