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 onedollar coin, and a twodollar 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 don't know, it's in the unit of combinations and the binomial theorem

data management (gr.12)  T, Thursday, September 29, 2016 at 11:55pm
2^n1=2^41=15
2 is always the base (you either pick it or you don't) and 4 because there are 4 options and subtract one because you exclude the empty or null set.
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