0 = A1 = P2 = R3 = E4 = Y5 = T6 = I7 = N9 = S
This produces:
Q: PREY, find out how much one had to pay for an ENTRY ticket to ADY'S PIE PARTY?
A1: A PRETTY PENNY
A2: US$ 31417926535
That dollar amount looks suspiciously like pi, although the 7 should be a 5. I assume this was just a transcription error.
My guess is that the celebration was on March 14 ("Pi Day")?
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