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OpenStudy (amtran_bus):
Word problem, I can't set it up
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OpenStudy (amtran_bus):
Pens cost 70 cents each and pencils cost 40 cents each. If Iris spent 5.20 on a total of 10 pens and pencils, how many pencils did she purchase?
OpenStudy (amtran_bus):
Why is the site lagging so terribly???
OpenStudy (agent0smith):
pens + pencils = 10 or x + y = 10 $0.70*(pens) + $0.40*(pencils) = $5.20 or 0.7x + 0.4y = 5.2
OpenStudy (amtran_bus):
Sorry guys it is lagging so bad I could not see you had replied.
OpenStudy (triciaal):
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