SOLUTION: Kendra has $3.75 in dimes and nickels. If she has 2 times as many dimes as nickels, how many of each coin does she have?

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Question 819927: Kendra has $3.75 in dimes and nickels. If she has 2 times as many dimes as nickels, how many of each coin does she have?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
5n + 10d = 375
d = 2n
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5n + 10d = 375
2n - d = 0
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solve the above system of linear equations for n and d:
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answer:
n = 15
d = 30
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