Question 722275: Given nine nickels and four pennies, find how many different sums of money can be formed using one or more coins.
Answer by josmiceli(19441)   (Show Source):
You can put this solution on YOUR website! Using just the nickels, there are 9 possible sums
( 5, 10, 15, 20, 25, 30, 35, 40, 45 )
Using just pennies, there are 4 possible sums
( 1, 2, 3, 4 )
 so far
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Each of the 4 possible sums using pennies can
be combined with any one of 9 possible sums
using nickels.
 possible sums
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There are 49 possible sums
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