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Firstly we know that £1 equals 100p.

Then we could write 50p as £0.5 (As 50/100= 5/10= 1/2= 0.5), which is equivalent.

Now we do the fraction, £0.5 over £4, which is 0.5/4, enlarge both of t...

nth term= 4n-1

To work out the median of a set of numbers we first place them in order:

1p, 2p, 2p, 2p, 2p, 10p, 10p, 20p, 50p

Then the median is the middle value in the list, in this case 2p.

To wo...