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Mathematics 22 Online
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?

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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