document.write( "Question 1160616: One month Michael rented
\n" );
document.write( "9
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document.write( " movies and
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document.write( "7
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document.write( " video games for a total of
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document.write( "$56
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document.write( ". The next month he rented
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document.write( "3
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document.write( " movies and
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document.write( "5
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document.write( " video games for a total of
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document.write( "$34
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document.write( ". Find the rental cost for each movie and each video game.
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document.write( " \n" );
document.write( "
Algebra.Com's Answer #783979 by MathTherapy(10555)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "One month Michael rented \n" ); document.write( "9 \n" ); document.write( " movies and \n" ); document.write( "7 \n" ); document.write( " video games for a total of \n" ); document.write( "$56 \n" ); document.write( ". The next month he rented \n" ); document.write( "3 \n" ); document.write( " movies and \n" ); document.write( "5 \n" ); document.write( " video games for a total of \n" ); document.write( "$34 \n" ); document.write( ". Find the rental cost for each movie and each video game. \n" ); document.write( " If you know what's good for you, STAY AWAY from that woman's RIDICULOUS solution!\r\n" ); document.write( "\r\n" ); document.write( "This is how this is DONE!\r\n" ); document.write( "Let cost of a movie and a video be M, and V, respectively\r\n" ); document.write( "Then we get: 9M + 7V = 56 ------ eq (i)\r\n" ); document.write( "Also, 3M + 5V = 34 ------- eq (ii)\r\n" ); document.write( "9M + 15V = 102 ------- Multiplying eq (ii) by 3 ----- eq (iii)\r\n" ); document.write( "8V = 46 ------ Subtracting eq (i) from eq (iii)\r\n" ); document.write( "Cost to rent a video, or\n" ); document.write( " |