Answer:
n + q = 28 0.05n + 0.25q = 4
S=R
75+75=150
360-150=210
210/2=105
y=105
<u>Hanna is 8 years old.</u>
Step-by-step explanation:
Hanna = x
Tina = 4x
Sum = 40.
Hanna =?
Hanna + Tina = 40
4x + x = 40
5x = 40
x = 40/5
x = <u>8</u>.
Hanna is <u>8 years</u> old.