document.write( "Question 848329: A trader bought a watch and sold it at 30% more than its original cost. How much did the
\n" ); document.write( "trader earn if the original cost of the watch was P? What should be the equation for this question?
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Algebra.Com's Answer #511022 by swincher4391(1107)\"\" \"About 
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Let the original cost of the watch be P.\r
\n" ); document.write( "\n" ); document.write( "Then what he sold the watch at is 1.3P\r
\n" ); document.write( "\n" ); document.write( "Then he earned 1.3P - P = \"highlight%28.3P%29\"
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