Question

Alana is 4 years older than her brother Ernie. Ernie is 2 years older than their sister Amelia. Amelia is 10 years younger than their brother Mazo. If Mazo is 17 years old, how old is Alana?

Answer 1

if mazo is 17, and amelia is 10 years younger, than she is 7. ( 17-10=7) if ernie is 2 years older than amelia, than ernie is 9. (7+2=9) if alana is 4 years older than ernie, alana is 13. (4+9=13)