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International Contests
Tournament Of Towns
1995 Tournament Of Towns
(441) 1
(441) 1
Part of
1995 Tournament Of Towns
Problems
(1)
TOT 441 1995 Spring O J1 sonia has stamps worthy of 5S= dollars
Source:
6/12/2024
Sonia has
10
10
10
,
15
15
15
and
20
20
20
cent stamps with total face value of
$
5
\$5
$5
. She has
30
30
30
stamps altogether. Prove that she has more
20
20
20
cent stamps than
10
10
10
cent stamps.
algebra
number theory