10+10+5+2=27
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21 ways
40 ways.
9
The simplest way is 2*10p
7. If you allow for change, an infinite number of ways; eg 1 x 10p with 1 x 2p change or 1 x 10p with 2 x 1p change, etc.
how many ways to make 25p using 1p 2p 5p 10p 20 coins
To make a pound using only 50p, 20p, and 10p coins, we can set up a linear Diophantine equation: 50x + 20y + 10z = 100, where x, y, and z are the number of each type of coin used. We can then use techniques such as generating functions or modular arithmetic to solve this equation and find the number of ways to make a pound. The solution will involve finding the integer solutions to the equation within a certain range, as there are constraints on the number of each type of coin available.
21 ways
21 ways
150 10p coins.
There are 47 ways using 5p, 10p, 20p and 50p.
40 ways.
There are 201 ways.
There are 47 ways.
10
9
There are 67 ways.