What is the perimeter of this figure?

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?

What’s the answer ? use the picture to see the problem

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?