**Math Riddle: **‘When Gwen is twice as old as Dean, Then I shall be just 17. But Gwendoline was 23 When Dean was twice as old as me.’ That’s what Bill said.

So tell us then, How old he was when Dean was ten?

**Answer: **The correct answer is eight.

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# ‘When Gwen is twice as old as Dean, Then I shall be just 17. But Gwendoline was 23

Math, Math Problems and Solutions, Tests, Formulas, Algebra.

**Math Riddle: **‘When Gwen is twice as old as Dean, Then I shall be just 17. But Gwendoline was 23 When Dean was twice as old as me.’ That’s what Bill said.

So tell us then, How old he was when Dean was ten?

**Answer: **The correct answer is eight.

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