document.write( "Question 1163003: The ratio of the number of biscuits that Andy and Betty has was 2:5. After Andy bought 24 more biscuits , the ratio became 16:10. If there were 6 biscuits in a pack, how many packs of biscuits would Betty have to buy so that they would have the same number of biscuits in the end?? \n" ); document.write( "
Algebra.Com's Answer #786942 by ikleyn(52781)\"\" \"About 
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document.write( "Andy had 2x biscuits initially;  Batty had 5x.\r\n" );
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document.write( "After Andy bought 24 more biscuits, we gave this equation\r\n" );
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document.write( "    \"%282x%2B24%29%2F5x\" = \"16%2F10\".\r\n" );
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document.write( "It implies  \r\n" );
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document.write( "    10*(2x+24) = 16*(5x)\r\n" );
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document.write( "    20x + 240 = 80x\r\n" );
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document.write( "    240       = 80x - 20x\r\n" );
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document.write( "    240       = 60x\r\n" );
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document.write( "      x       = \"240%2F60\" = 4.\r\n" );
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document.write( "So, Andy had initially 2*4 = 8 biscuits;  Betty had 5*4 = 20 biscuits.\r\n" );
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document.write( "When Andy bought 24 biscuits, the number of biscuits in his possession became  8+24 = 32.\r\n" );
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document.write( "So, Betty should buy  \"%2832-20%29%2F6\" = \"12%2F6\" = 2 packs of biscuits.      ANSWEWR\r\n" );
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