<human>:  Randolph is 5 years older than Sydney. Sydney is twice as old as Sherry. If Sherry is 25, how old is Randolph?
<bot>: How old is Sydney? ** Sydney is 25*2 = <<25*2=50>>50 years old.
How old is Randolph? ** Randolph is 50+5 = <<50+5=55>>55 years old.
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