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OpenStudy (anonymous):
A collection of quarters and dimes is worth $12.40. There are 67 coins in all. How many of each coin are there?
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OpenStudy (fibonaccichick666):
same as before
OpenStudy (fibonaccichick666):
give me your best try first :)
OpenStudy (anonymous):
You can write a system of equations and solve it. 0.25q + 0.10d = 12.40 q + d = 67 Can you solve that? @zeon2
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Okay, tell me what you get.
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OpenStudy (anonymous):
38 quarters and 29 dimes
OpenStudy (anonymous):
Yep, you got it!
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