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Mathematics 9 Online
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?

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.

OpenStudy (anonymous):

38 quarters and 29 dimes

OpenStudy (anonymous):

Yep, you got it!

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