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OpenStudy (anonymous):
Natasha received 15 coins from her mom for cleaning her room. Some coins were quarters and others were dimes. If she earned $1.95, how many of the coins were dimes? 12 3 6 9
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hero (hero):
q+d = 15 .25q + .10d = 1.95
hero (hero):
Systems of Equations....solve
hero (hero):
You haven't figured it out yet?
OpenStudy (anonymous):
subtract d from both sides... q=-d+15 no just substitute it
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