.
So, 5 years ago the sum of their ages was 22-5-5 = 12, and one was 3 times as old as the other.
Hence, 5 years ago they were 3 and 9 years old;
It means that now they are 3+5 = 8 and 9+5 = 14 years old. ANSWER
Mental solution without using equations.
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There is a bunch of lessons on age word problems in this site:
- Age problems and their solutions
- A fresh formulation of a traditional age problem
- Really intricate age word problems
- Selected age word problems from the archive
- Age problems for mental solution
- One unusual age word problem
- Miscellaneous age problems
- Age problem for the day of April, 1
- OVERVIEW of lessons on age problems
Read them attentively and become an expert in this field.