It all varies according to state laws and for that matter, what country you are in. moped2.org and mopedarmy.com have helpful forums that can better answer your question.
In the UK you have to be 17 to be able to drive a car on the road. At 21 you can drive a goods vehicle. At 16 you can drive a moped.
Can you drive in Georgia with a Florida's learner permit with a 21 year old valid florida drivers license?
16 Moped upto 50cc 17 Car and vehicle upto 3.5T 21 for HGV and PCV
A 16 year old cannot drive by themselves or with someone under 21 even if you have your permit. You need your license to do so.
No, there must be a licensed driver with the permit driver.
11 and up but anyone 21 and under must wear a helmet!
they can with someone over the age of 21, but not by themselves
Yes. The 15 year old is a minor. The 21 year old an adult. The 21 year old could be charged with rape.
NO The driver must have a permit or a license to drive since he is the one operating a motor vehicle.
Amada from cover drive is 21 years old
she is now 21 year old
The passenger has to be 21 years old ("fully legal").