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) (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.
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