The Student Newspaper of Cambridge Rindge and Latin

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The Student Newspaper of Cambridge Rindge and Latin

The Register Forum
The Student Newspaper of Cambridge Rindge and Latin

The Register Forum

Math Club Problem of the Month: September 2025

Cecilia Prasanna, Food and Culture Editor
October 1, 2025

Bertha has six daughters and no other children. Some of her daughters have six daughters, and the rest have none. Bertha has a combined total of 30 daughters and granddaughters, and no great-granddaughters.

How many of Bertha’s daughters and granddaughters have no daughters?

Come to Math Club at 3PM on Wednesdays in room 2312 to discuss this problem!

 

This problem also appears in our September 2025 print edition.

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About the Contributor
Cecilia Prasanna
Cecilia Prasanna, Food and Culture Editor
Favorite children’s story/book The Day the Crayons Quit What’s something simple that brings you joy? The little song that plays after solving a New York Times puzzle What is the best part of a sandwich? The Food and Culture article that comes after.