There are not 20 ways - there are only 12.
Assuming the 20 are all different, there are 20C11 = 20!/(11!*9!) = 167,960 ways.
Eight different ways.Eight different ways.Eight different ways.Eight different ways.
1*20, 2*10, 4*5.
The answer depends on the country whose coinage you refer to. Different countries have coins of different values.
how many different ways can make 15p
How many different ways can you make $3.25 in math
In the US, for example, there is a 25 dent coin but not a 20. In Eurozone, by contrast, there is a 20 cents coin but not a 25. The answer depends on where.
I think 4 different ways
how different ways can you make 50 cents in change
There are not 20 ways - there are only 12.
Assuming the 20 are all different, there are 20C11 = 20!/(11!*9!) = 167,960 ways.
20 nickles
Eight different ways.Eight different ways.Eight different ways.Eight different ways.
Israel has 20 rivers, and you can make a Shin out of them in many different ways.
there are 4 different ways to make a TETRAHEDRON.
1*20, 2*10, 4*5.