Question

Elle is 6 years younger than Felicia. Marta is twice as old as Felicia. If Marta is w years old,

a) find the age difference between Marta and Elle.

b) write an expression that shows the three girls' average age.

Answer 1

Marta is (2x)+6 older than Ella.

The three girl's average age is (w)+(w/2)+(w/2-6)/3

Explanation:

Marta's Age: w

Felicia's Age: w/2

Ella's Age: (w/2)-6