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A language school reports that:

• 75% of students starting a French course have never been to France.
• Of the students who have never been to France, 60% graduate.
• Of the students who have visited France before, 70% graduate.

What percentage of the students who graduate had never been to France?


This problem is adapted from the World Mathematics Championships
You can find more short problems, arranged by curriculum topic, in our short problems collection.

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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