Question

Marie’s age is 12 less than triple Carl's’s age. When you add Marie's age to Carl’s age, you get 68. How old is Marie and how old is Carl? Show work.

A.) Use x to represent Carl's age. If x is Carl's age, write an expression for Marie's age using Carl's age x.

B.) Write an equation for the situation.

C.) Solve the equation from part a. Show your work. What is Marie's age and Carl's age.

30 Points for answering!​

Answer 1

A, I think it is a because using z for carls age you can write an expression for Marie’s age using carls age X