SOLUTION: Bing has $2 in nickels and dimes. He has ten more dimes than nickels. How many dimes does he have?

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Question 904784: Bing has $2 in nickels and dimes. He has ten more dimes than nickels. How many dimes does he have?
Answer by harpazo(655) About Me  (Show Source):
You can put this solution on YOUR website!
5n + 10d = 200
n = d + 10
5(d + 10) + 10d = 200
5d + 50 + 10d = 200
15d = 200-50
15d = 150
d = 150/15
d = 10
He has 10 dimes.