Zyrelle is now 20 years older than her sister. Find the present age of Zyrelle
Let Zyrelle's age be z.
Let her sister's age be s.
Older means we add, so we have:
z = s + 20
Let Zyrelle's age be z.
Let her sister's age be s.
Older means we add, so we have:
z = s + 20