document.write( "Question 1124768: A group of 7 adults and 10 children went swimming. The entrance fee of an adult is twice the amount for the children. The group paid a total of Php. 1,440. How much was the entrance fee of an adult? \n" ); document.write( "

Algebra.Com's Answer #741072 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "7x + 10*(0.5x) = 1440\r\n" );
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document.write( "7x + 5x = 1440\r\n" );
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document.write( "12x = 1440\r\n" );
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document.write( "x = 1440/12 = 120.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Answer. Php 120.\r
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