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OpenStudy (anonymous):
Inez has 20 coins consisting of dimes and quarters. How many of each type does she have if all together she has $4,10?
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OpenStudy (anonymous):
.1d +.25q = 4.10 d+q=20
OpenStudy (anonymous):
can you solve now
OpenStudy (aripotta):
i've already solved this one lol http://openstudy.com/study#/updates/505e4d5fe4b0583d5cd1b0de
OpenStudy (aripotta):
tell me if you don't understand it and i'll explain
OpenStudy (anonymous):
yes, I think I can solve it now
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OpenStudy (anonymous):
wow. lol
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