### Oh for the Mathematics of Yesteryear

A garrison of 600 men has just enough bread ... but, with the news that the enemy was planning an attack... How many ounces of bread a day must each man in the garrison be allowed, to hold out 45 days against the siege of the enemy?

### History of Money

If you would like a new CD you would probably go into a shop and buy one using coins or notes. (You might need to do a bit of saving first!) However, this way of paying for the things you want did not always exist. Find out more ...

### Debt Recovery

Tony and Tina can't work out which of them owes what to the other. Can you?

# Thirty Nine, Seventy Five

##### Age 11 to 14 Challenge Level:

We have the following numbers of the different value coins:

$46$, $23$, $14$, $10$ and $7$

But what are they?

All but one type of coin has a value that is a multiple of five.