Aaron is older than Becky who is older than Caris. If the difference in age between Aaron and Becky is the same as the difference in age between Becky and Chris, and their sum of ages is $$60$$, How old is Becky? 
Overseas Competition->Knowledge Point->Word Problem Modules->Questions Involving Sum, Difference and Multiples->Problems of Sum and Multiple Overseas Competition->Knowledge Point->Word Problem Modules->Age Problems