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Mathematics 8 Online
OpenStudy (anonymous):

A wholesaler buys plastic lamps for $18 each and sells them for $30.60. What is the percent markup based on cost?

OpenStudy (anonymous):

\[\frac{1}{18} (30.6\, -18)=0.7=70 \% \]

OpenStudy (anonymous):

or ((30.60 - 18)/18) = 0.7 = 70 %

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