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OpenStudy (anonymous):
A pack of gum costs 75 cents. That is 3 cents less than three times what the pack cost 20 years ago. Which equation could be used to find the cost of the gum 20 years ago? A) 0.3x - 0.3 = 0.75 B) 3x - 0.3 = 0.75 C) 3x - 3 = 75 D) 3 - 3x = 75
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OpenStudy (damonte212):
C.
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