1/3as many dimes as nickels. 3 more quarters than nickels 17 coins in all

Answer 1

count coins: n+d+q = 17
d = n/3
q = n+3

n + n/3 + n+3 = 17
7n/3 = 14
n = 14(3/7) = 6
d = 2
q = 9