Answer: 20
Explanation: In the quest to obtain a drivers' license in the United States, that is a permit which is issued to an individual before such person can drive a car. The individuals is subjected to a driving test and such individual is issued a provisional driver's license upon passing a driving test.
The provisional driving license could be described as tentative and has some restrictions which include.
An individual with a provisional driver's license must be accompanied and supervised by a licensed parent, guardian or other licensed driver aged 25 or older, or by a licensed or certified driving instructor when transporting passenger under the age of 20 for the first twelve month.
They must also be accompanied by a licensed driver when driving between 11 pm and 5 am for the first twelve months.