Answer:er73487384
Step-by-step explanation:
7-1
Answer:
Its 22
x is 19
so 3+19 is 22
Age of dave = y
Age of Julia = x
y = 4x - 8
if y = 16
then
4x - 8 = 16
4x = 16 + 8
4x = 24
x = 24/4
x = 6
Julia is 6 years old