document.write( "Question 1186002: The field trip of MATHADATZ POWER club cost ₱6000.if there had been 10more students,it would have cost each student ₱30 less.How many students took the field trip?
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Algebra.Com's Answer #816868 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Let x be the number of participants;\r\n" );
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document.write( "then the hypothetical number of participants is (x+10).\r\n" );
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document.write( "The cost of the trip for each single participant is  .\r\n" );
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document.write( "The cost of trip for each single hypothetical participant is  .\r\n" );
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document.write( "The difference in costs is 30, which gives this equation\r\n" );
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document.write( "     -  = 30.     (1)\r\n" );
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document.write( "To solve it, first divide both sides by 30\r\n" );
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document.write( "     -  = 1.       (2)\r\n" );
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document.write( "Now guess the answer MENTALLY:  x = 40.\r\n" );
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document.write( "CHECK.   -  = 5 - 4 = 1.    ! Correct !\r\n" );
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document.write( "ANSWER.  40 students took the trip.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Alternatively, you may reduce equation (2) to the standard form quadratic equation and then solve it formally.\r
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