document.write( "Question 1056504: A basket with 12 apples has a mass of 3,105 grams. The same basket with 7 apples has a mass of 1,980 grams. Each Apple has the same mass. What is the mass of the basket? \n" ); document.write( "

Algebra.Com's Answer #671604 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "A basket with 12 apples has a mass of 3,105 grams. The same basket with 7 apples has a mass of 1,980 grams.
\n" ); document.write( "Each Apple has the same mass. What is the mass of the basket?
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document.write( "B + 12A = 3105,   (1)\r\n" );
document.write( "B +  7A = 1980.   (2)\r\n" );
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document.write( "Distract equation (2) from equation (1) (both sides). You will get\r\n" );
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document.write( "12A - 7A = 3105 - 1980,\r\n" );
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document.write( "5A = 1125   --->   A =  = 225 gram is the mass of one apple.\r\n" );
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document.write( "Then from (2)  B = 1980 - 7*225 = 405 gram.\r\n" );
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document.write( "Answer.  405 gram.\r\n" );
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