Lizzy: Audrey is 7 years older than Heracles. In 3 years, Audrey will be twice as old as Heracles is now. How old is Heracles now?.
Me: Hmmm, let me think. I think this is the detailed solution:
User
Since Audrey is older than Heracles by 7 years, in 3 years he will be 10 years older than Heracles' current age. In 3 years he will be double Heracles' current age 10 * 2 = 20. Heracles is 10. Final answer: 10.
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