Question

How many different ways can you have 50¢ in change using only quarters, dimes and nickels?

A. 1
B. 4
C. 10
D. 15

Answer 1

I'm pretty sure it's ten.

q = $.25 d = $.10 n = $.05

2q

5d

10n

1q 2d 1n

1q 1d 3n

1q 5n

4d 2n

3d 4n

2d 6n

1d 8n