Question

Felicia's mom is 4 times as old as Felicia. In 16 years years her mom will be twice her age. How old is Felicia now?

Answer 1

m = 4 F

m + 16 = 2 (F + 16)

solve the system for F ... substitution would work great

Answer 2

Felicia is X yrs. old now.
Mom is 4x yrs. old now.

16 yrs. later:
4x + 16 = 2(x + 16 ).
2x = 16,
X = 8.

;

Answer 3

Hey, this is my homework too!