150 10p coins.
5
how many ways to make 25p using 1p 2p 5p 10p 20 coins
21 ways
51
40
There are 6 ways using normal U.S coins, but their is probally a different amount using foreign coins....... :-)
There are 47 ways using 5p, 10p, 20p and 50p.
5
22
3
5p+5p