I am five times as old as my sister. In six years I will be twice as old. Some day our ages added together will total 72. How old will I BE IN TEN YEARS??????

Meage=5*Sisage
Meage+6= 2*(sisage+6)

5Sisage+6=2Sisage|12
solve for sisage, then myage, then myage + 10.

3
11