SOLUTION: A boy is 17 years old and his sister is twice as old. When the boy is 23 what will be the age of his sister? ___________

Algebra ->  Proportions  -> Lessons -> SOLUTION: A boy is 17 years old and his sister is twice as old. When the boy is 23 what will be the age of his sister? ___________       Log On

Hi

A boy is now 17 years old and his sister now is 34  (twice as old as her brother)

 In 6 years from now... the boy will be 23 and his sister 40