Posted by **nat** on Monday, February 23, 2009 at 6:48pm.

how many different sums of money can you make with a penny, a dime, a one-dollar coin, and a two-dollar coin?

- data management (gr.12) -
**Anya**, Monday, February 23, 2009 at 6:54pm
One, because if you add them up in different order you're still going to get the same answer.(if I understood the question correctly)

- data management (gr.12) -
**nat**, Monday, February 23, 2009 at 6:57pm
well the answer in the textbook is 15? :S i dont know, it's in the unit of combinations and the binomial theorem

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