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OpenStudy (anonymous):
Sarah wants to earn some extra money, so she decides to make and sell cards. She spends $27 on supplies and sells 15 cards for $3 each. How much money did Sarah earn or lose?
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OpenStudy (texaschic101):
she sold 15 cards for $3 totaling (15 x 3) = $45. But she spent $27 on supplies. 45 - 27 = $18 profit (she earned)
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