Question 323509
16 total.
Here are the 16 possible combinations for number of quarters, dimes, and nickels that sum to 75 cents.
(3,	0,	0)
(2,	0	5)
(1,	0,	10)
(1,	1,	8)
(1,	2,	6)
(1,	3,	4)
(1,	4,	2)
(1,	5,	0)
(0,	0,	15)
(0,	1,	13)
(0,	2,	11)
(0,	3,	9)
(0,	4,	7)
(0,	5,	5)
(0,	6,	3)
(0,	7,	1)