Question 269569
You can pay ten different amounts of money if you use three coins
including nickels, dimes, and quarters.
 

1.  0 nickels, 0 dimes, and 3 quarters amounts to $0.75.
2.  0 nickels, 1 dime,  and 2 quarters amounts to $0.60.
3.  0 nickels, 2 dimes, and 1 quarter  amounts to $0.45.
4.  0 nickels, 3 dimes, and 0 quarters amounts to $0.30.
5.  1 nickel,  0 dimes, and 2 quarters amounts to $0.55.
6.  1 nickel,  1 dime,  and 1 quarter  amounts to $0.40.
7.  1 nickel,  2 dimes, and 0 quarters amounts to $0.25.
8.  2 nickels, 0 dimes, and 1 quarter  amounts to $0.35.
9.  2 nickels, 1 dime,  and 0 quarters amounts to $0.20.
10. 3 nickels, 0 dimes, and 0 quarters amounts to $0.15.

There are ten different ways you can make change for a 50-cent 
coin using quartes, dimes, and nickels.

1.  2 quarters, 0 dimes, and 0 nickels.
2.  0 quarters, 5 dimes, and 0 nickels.
3.  1 quarter,  2 dimes, and 1 nickel.
4.  0 quarters, 4 dimes, and 2 nickels.
5.  1 quarter,  1 dime,  and 3 nickels.
6.  0 quarter,  3 dimes, and 4 nickels.
7.  1 quarter,  0 dimes, and 5 nickels.
8.  0 quarters, 2 dimes, and 6 nickels.
9.  0 quarters, 1 dime,  and 8 nickels.
10. 0 quarters, 0 dimes, and 10 nickels.

Edwin</pre>