If Pam is currently twice as young as Rena is, and in 10 years Rena will be 5 years older than her, how old is Pam now? Let's think first. Chain of thought:
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If Rena will be 5 years older than Pam in 10 years, this means they have a 5 year age gap. Therefore, to be twice Pam's age, Rena would have to be 5 * 2 = 10 years old. This means that Pam is currently 10 - 5 = 5 years old.
Therefore, the answer is 5.
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