Question 953961
n = number of nickels
d = number of dimes
q = number of quarters


5n + 10d + 25q = 250
d = q + 1
n = q + d + 2 = 2q + 3


5(2q + 3) + 10(q + 1) + 25q = 250
10q + 15 + 10q + 10 + 25q = 250
45q = 225
q = 5


---> 13 nickels, 6 dimes, 5 quarters