m = 4 F
m + 16 = 2 (F + 16)
solve the system for F ... substitution would work great
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?
3 answers
Felicia is X yrs. old now.
Mom is 4x yrs. old now.
16 yrs. later:
4x + 16 = 2(x + 16 ).
2x = 16,
X = 8.
;
Mom is 4x yrs. old now.
16 yrs. later:
4x + 16 = 2(x + 16 ).
2x = 16,
X = 8.
;
Hey, this is my homework too!