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### Number and algebra

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# Cereal Mix

## You may also like

### Rule of Three

### How Big?

Links to the University of Cambridge website
Links to the NRICH website Home page

Nurturing young mathematicians: teacher webinars

30 April (Primary), 1 May (Secondary)

30 April (Primary), 1 May (Secondary)

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Age 11 to 14

Challenge Level

- Problem
- Getting Started
- Student Solutions
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Dried apricots and nuts cost more than £5 per kg so any mix will need to contain seeds.

How does the quantity of nuts affect the quantity of seeds that will be required?

How does the quantity of dried apricots affect the quantity of seeds that will be required?

If it takes four men one day to build a wall, how long does it take 60,000 men to build a similar wall?

If the sides of the triangle in the diagram are 3, 4 and 5, what is the area of the shaded square?