SOLUTION: Marco has 150 coins,all nickels and dimes. He has 12 more dimes than nickles. How many nickels and dimes does he have?

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Question 256714: Marco has 150 coins,all nickels and dimes. He has 12 more dimes than nickles. How many nickels and dimes does he have?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
n+d=150
d=12+n
89=d
69=n