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Problems
Contests
National and Regional Contests
Portugal Contests
Portugal MO
1998 Portugal MO
1
1
Part of
1998 Portugal MO
Problems
(1)
72 chickens sold for *679* escudos
Source: Portugal OPM 1998 p1
5/18/2024
A chicken breeder went to check what price per chick he had charged the previous year. He found an invoice, half erased, which read:
72
72
72
chickens sold for
∗
679
∗
*679*
∗
679
∗
escudos” (the digits of the units and tens of thousands were illegible). What price did each chick sell for last year?
number theory