James turned 23 the same time John turned 35. Tim is 5 years less than twice John's age. If Tim is 79 how old is James?
Let's be accurate as possible and think first.
25
James is 35 - 23 = 12 years younger than John.

5 years less than Tim's age is 79 - 5 = 74 years old.

So John is 74 / 2 = 37 years old.

That means James is 37 - 12 = 25 years old.

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The final answer: 25