MathDB
Problems
Contests
National and Regional Contests
India Contests
India Pre-Regional Mathematical Olympiad
2012 India PRMO
3
3
Part of
2012 India PRMO
Problems
(1)
2012 preRMO p3, x+3y=100
Source:
6/16/2019
For how many pairs of positive integers
(
x
,
y
)
(x,y)
(
x
,
y
)
is
x
+
3
y
=
100
x+3y=100
x
+
3
y
=
100
?
number theory