How do you convince your parents to get you a phone when you are in sixth grade?

How do you convince your parents to get you a phone when you are in sixth grade?
If you are sixteen or older and still in the sixth grade, youshould have other concerns than owning a phone, however if you arethe proper age for that grade, then you might try to convince yourparents that you need it for safety reasons and that you will helpto offset the cost by doing odd jobs, mowing lawns, deliveringnewspapers, etc.