20 pennies, 4 nickles, and 2 dimes. 3 ways.
923 ways
As written, no ways are possible.
you can make the number nine twenty times
99. 99 cents to one cent spent.
In the US, only two ways: one nickel and four pennies or nine pennies. If there were a two cent piece (as there was at one time in Britain) it would make the question more interesting.
923 ways
As written, no ways are possible.
There are many. Various ways to make a dollar using coins. 100 pennies, 4 quarters, 2 50 cent coins, 1 50 cent coin and 2 quarters, 10 dimes, 20 nickels, and many variations. There are 293 ways to make a dollar but maybe there are more possible ways.
you can make the number nine twenty times
set up a lemonade stand
There are 41 ways.
1
99. 99 cents to one cent spent.
The answer depends on what part of the world the question is about. The Eurozone has a 20 cent coin but not a 25 cent coin. The US, which is smaller, has a 25 cent coin but not a 20.
11
The answer depends on which country's (or countries') currency. That determines the coinage available. In the Eurozone, for example, there is a 20 cent coin but not a 25. In the US there is a 25 cent coin but not a 20 cent coin.
In the US, only two ways: one nickel and four pennies or nine pennies. If there were a two cent piece (as there was at one time in Britain) it would make the question more interesting.