I’m confused please help

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.