Question 722275
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 )
{{{ 9 + 4 = 13 }}} 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.
{{{ 4*9 = 36 }}} possible sums
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{{{ 13 + 36 = 49 }}}
There are 49 possible sums