Puzzle #228: Frozen Yummy II

The yummy, chocolate-coated, ice cream thing on a stick that you – OK, OK, I – have been buying costs $4.20 at the local store near where I work. No, I forgot about the tax; it costs $4.45.

How many ways are there to pay $4.45 with exact change using the usual Canadian coin denominations (nickel, dime, quarter, loonie, and toonie)? Avoiding boredom once again, how many combinations consist of six or fewer coins?

[Hint: You can save yourself some effort if you look at the problem in the right way. Is this the same way as in the previous problem?]

Submit your answer to Gene Wirchenko <genew@telus.net>. Your answer should be in the form of a proof. That means to show how your answer must be correct. The deadline is Wednesday, October 18, 2017 at noon Pacific Time. I will post the answer shortly after.

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