document.write( "Question 1208177: Hi
\n" ); document.write( "Mr Thomas spent $1972 on cars and dolls. He bought 3 times as many cars as dolls. Each doll cost $10 more than each car. She paid $476 more for the cars than the dolls. What is the cost of a doll. \n" ); document.write( "

Algebra.Com's Answer #846408 by ikleyn(52776) $\"\"$ $\"About$

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\n" ); document.write( "Mr Thomas spent $1972 on cars and dolls. He bought 3 times as many cars as dolls.
\n" ); document.write( "Each doll cost $10 more than each car. She paid $476 more for the cars than the dolls.
\n" ); document.write( "What is the cost of a doll.
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\n" ); document.write( "\n" ); document.write( "How Mr. Thomas suddenly became \"She\" ?\r
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\n" ); document.write( "\n" ); document.write( "        If it was an \"artificial intelligence\", who created this problem, \r
\n" ); document.write( "\n" ); document.write( "        hence, this artificial intelligence has a defective logic inside, which should be fixed.\r
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\n" ); document.write( "\n" ); document.write( "        In order for do not scare people around.\r
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\n" ); document.write( "\n" ); document.write( "        Another version is that a professor who composed this problem was drunk.\r
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\n" ); document.write( "\n" ); document.write( "        Third version is that the problem's creator does not read what he/she writes and posts.\r
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\n" ); document.write( "\n" ); document.write( "        Appropriate problem to submit it for shNobel prize competition.\r
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document.write( "From the problem, we know that the total cost was $1972, and the cost for the cars \r\n" );
document.write( "was $476 more than for the dolls.\r\n" );
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document.write( "Hence, the cost for the cars  was   +  = 1224 dollars,\r\n" );
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document.write( "   and the cost for the dolls was   -  =  748 dollars.\r\n" );
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document.write( "Let the number of the dolls be x.  \r\n" );
document.write( "Then the number of cars is 3x.\r\n" );
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document.write( "The price for one doll (each doll) is  .\r\n" );
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document.write( "The price for one car  (each car) is   = .\r\n" );
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document.write( "From the problem, we have this equation for the price difference\r\n" );
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document.write( "     -  = 10  dollars.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "     = 10\r\n" );
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document.write( "     = 10\r\n" );
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document.write( "    x =  = 34.\r\n" );
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document.write( "Hence, the cost of a doll is  = 22 dollars.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "Simply, easy, fresh and funny. And educative.\r
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