There are 47 ways.
It depends on which country's currency the question is about.
Assuming that you are only using current US coins (5, 10, 25 and 50 cents), the answer is 21. NickelsDimesQuartersHalves1500013100112009300740055003600170010010811062104310241005105020312012205001310112010011
There are 47 ways using 5p, 10p, 20p and 50p.
There are 10 ways.
Three different ways.
Three: one using only nickels, one using only dimes and one using only quarters!
120 different ways.
Two ways only: one with a pasta maker. The other using a rolling pin.
Using only positive digits, and disregarding their order, 3 ways.
There are 12 ways.
From my calculations, there's only 293 ways to make change for a dollar.
How about: 17+7 = 24, 19+5 = 24 and 11+13 = 24 as three examples
Not everything. Many functions have multiple ways to execute them. Other functions only have one way to do them.
One of the ways is by using its name in Latin. For example silver is Ag because its latin name is argentus
(4 * 4) - (4/4) equals 15.