Aunt Anna is 42 years old. Caitlin is 5 years younger than Brianna, and Brianna is half as old as Aunt Anna. How old is Caitlin?
Answer Choices
A. 15
B. 16
C. 17
D. 21
E. 37
Aunt Anna is 42 years old. Caitlin is 5 years younger than Brianna, and Brianna is half as old as Aunt Anna. How old is Caitlin?
Answer Choices
A. 15
B. 16
C. 17
D. 21
E. 37