Question 989548
n = number of nickels
d = number of dimes
q = number of quarters


5n + 10d + 25q = 260
q = d + 4
n = 3q


Write everything in terms of d.


5(3(d + 4)) + 10d + 25(d + 4) = 260
15d + 60 + 10d + 25d + 100 = 260
50d + 160 = 260
d = 2


The news carrier has 18 nickels, 2 dimes, and 6 quarters.