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OpenStudy (anonymous):
I bought 32 cans. .80c for tomatoes .40c for corn. I spent $18. How much corn did I buy? 19?
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OpenStudy (anonymous):
@amistre64
OpenStudy (anonymous):
@Hero
OpenStudy (amistre64):
c + t = 32 .8t + .4c =18 what should we do?
OpenStudy (amistre64):
we want to know c, let c=n, t = 32-n
OpenStudy (amistre64):
.8(32-n) + .4n =18 when we known we know c.orn
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