SOLUTION: Ethan has $1.20 in dimes and nickels. If he has 6 more nickels than dimes, how many of each coin does he have?

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Question 961484: Ethan has $1.20 in dimes and nickels. If he has 6 more nickels than dimes, how many of each coin does he have?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
d = number of dimes
n = number of nickels

5n + 10d = 120
n = d + 6

Substitute the second equation into the first equation.

5(d + 6) + 10d = 120
5d + 30 + 10d = 120
15d = 90
d = 6

---> Ethan has 12 nickels and 6 dimes.