Help please!! i need to find the value of x

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?

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Kayla has a $500 budget for the school party. she paid $150 for the decorations. food will cost $5.50 per student. what inequality represents the number of students, s, that can attend the party?