math

Jo bought an item for 45¢, and paid with a \$1.00 bill. How many different ways could she get her 55¢ change with combinations of only nickels, dimes and quarters?

1. qqn

q ddd
q dd nn
q d nnnn
q nnnnnn

dddddn
dddd nnn
ddd nnnnn
dd nnnnnnn
d nnnnnnnnn

nnnnnnnnnnn

looks like 11 ways

posted by Steve
2. 11

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