Question

If Bill is 3 years older than his sister who is 2 times the age of their younger sibling.If the younger sibling is 10,then how old are bill and his sister?

Answer 1

Bill is 23, the sister is 20.

Explanation:

Sister is 2 times the age of the younger sibling: 10*2=20

Bill is 3 years older than his sister: 20+3=23