Posted by **Chloe** on Saturday, November 5, 2011 at 10:01am.

matt and ruba each have one coin.

The total amount of money is less than 50p.

work out the probability that exactly one of the coins is a 10p piece.

assume that all possible coins are equally likely.

- MATHS -
**Chloe**, Saturday, November 5, 2011 at 10:25am
please help

- MATHS -
**Hailey**, Saturday, November 5, 2011 at 10:51am
what's p?

do the coins come in 1p by 1p or 10p by 10p? Not too sure about the coin system.

- MATHS -
**chloe**, Saturday, November 5, 2011 at 3:10pm
the 50p is a 50p piece it says in the book it is less than 50p (money)

- MATHS -
**Hailey**, Sunday, November 6, 2011 at 4:59am
sorry...... no idea. I mean it could be 49p, 49.99p, 49.999999p...?

Do they come in whole numbers or what.

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