I think that if a teenager wants to have a car while going to school, then yeah, they should have a job. I didn't have a car and didn't have a job when in high school, because I didn't need either of them. My family sure as hell isn't rich, but I didn't need a car, so I didn't need to make money to pay for it. I could easily walk anywhere, my school was only a mile from my house.
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~Halo Rolling around at the speed of sound.
http://img593.imageshack.us/img593/2417/sonicspeed.jpg