Joseph is 33 years old. Five years ago, He was twice as old as Ann. How old will Ann be in 5 years time?
Five years ago Joseph was 33- 5 = 28 y/o He WAS twice as old as Ann who must have BEEN 14
.....move forward 5 years and she is ???? y/o now
..... and add 5 more to find here age in 5 years time ......