document.write( "Question 1012840: Kristine receives a basic monthly salary of Php 18 000 plus a commission of 12% on her total sales.In her recent monthly payday, she received Php 21 000. How Much was her total sales last month? \n" ); document.write( "

Algebra.Com's Answer #628945 by Theo(13342) $\"\"$ $\"About$

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she earned 21000.\r
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\n" ); document.write( "\n" ); document.write( "18000 of it was her salary.\r
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\n" ); document.write( "\n" ); document.write( "that leaves 3000 commission.\r
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\n" ); document.write( "\n" ); document.write( "3000/.12 = 25000.\r
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\n" ); document.write( "\n" ); document.write( "she made sales of 25000.\r
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\n" ); document.write( "\n" ); document.write( "the formula for her pay would be pay = 18000 + .12 * sales\r
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\n" ); document.write( "\n" ); document.write( "if sales is 25000, then formula for pay becomes:\r
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\n" ); document.write( "\n" ); document.write( "pay = 18000 + .12 * 25000\r
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\n" ); document.write( "\n" ); document.write( "simplify to get:\r
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\n" ); document.write( "\n" ); document.write( "pay = 18000 + 3000 \r
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\n" ); document.write( "\n" ); document.write( "combine like terms to get:\r
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\n" ); document.write( "\n" ); document.write( "pay = 21000\r
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