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Mixed up Mixture

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Molecular Sequencer

Age 14 to 18 Challenge Level:
For the last part of the question, using a spreadsheeting program to solve numerically is a good idea!
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.
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NRICH is part of the family of activities in the Millennium Mathematics Project.