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Mathematics 20 Online
OpenStudy (anonymous):

Write and equation for the following problem. THEN solve the equation. Mary made three times as much money as Tony. If Tony made $9, how much did Mary make?

OpenStudy (callisto):

amount that Mary made = 3x9 = 27

OpenStudy (callisto):

hmm.. $27 i missed the unit

OpenStudy (saifoo.khan):

3x * 9 = 27

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