Asked by deni

a boy is 17 years old and his sister is as twice as old. when the boy is 23 what will be the age of his sister
Answered by Jake
When he was 17 her sister was 34 so when he is 23 which is 6 years later her sister would be 34+6 which is 40 years old
Answered by Ms. Sue
17 * 2 = 34 >> present age of sister

23 - 17 = 6 >> years from now

6 + 34 = ?