document.write( "Question 992370: there are 3/5 students in class that are female and 12 are male how many students in the class
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Algebra.Com's Answer #611982 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let the number of students in class be \"x=female%2Bmale\"\r
\n" ); document.write( "\n" ); document.write( "if there are \"3%2F5\" students in class that are female, we have \"female=%283%2F5%29x\" \r
\n" ); document.write( "\n" ); document.write( "and \"male=12\" are male, then \r
\n" ); document.write( "\n" ); document.write( "\"x=%283%2F5%29x%2B12\".....solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x-%283%2F5%29x=12\"\r
\n" ); document.write( "\n" ); document.write( "\"5x%2F5-3x%2F5=12\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%2F5=12\"\r
\n" ); document.write( "\n" ); document.write( "\"2x=12%2A5\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%28cross%2812%296%2A5%29%2Fcross%282%291\"\r
\n" ); document.write( "\n" ); document.write( "\"x=6%2A5\"\r
\n" ); document.write( "\n" ); document.write( "\"x=30\"\r
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\n" ); document.write( "\n" ); document.write( "\"female=%283%2F5%29x\" =>\"female=%283%2Fcross%285%29%29cross%2830%296\" =>\"female=18\" \r
\n" ); document.write( "\n" ); document.write( "so, there are \"30\" students in the class, \"18\" female and \"12\" male students\r
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