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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