2007 Cyprus MO/Lyceum/Problem 26
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Problem
The number of boys in a school is 3 times the number of girls and the number of girls is 9 times the number of teachers. Let us denote with , and , the number of boys, girls and teachers respectively. Then the total number of boys, girls and teachers equals to
Solution
and
See also
2007 Cyprus MO, Lyceum (Problems) | ||
Preceded by Problem 25 |
Followed by Problem 27 | |
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