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Solution of the Week #478 - Ages

August 5, 2024 Elliott Line

From the first part:

F+S=65

F=65-S

From the second part:

F=3*(S-(F-S))

F=6S-3F

2F=3S

Combining:

130-2S=3S

5S=130

S=26, F=39

Fred is 39, Sally is 26

← Solution of the Week #479 - 100 Card ShuffleSolution of the Week #477 - Twenty Sum Thing →
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