Anybody have the correct Answer for this math problem?

Will give brainliest what is the value of x? enter your answer in the box.

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250