document.write( "Question 1184424: Mark had 4 times as many sweets as John. When Mark gave John 15 sweets, both of them had the same number of sweets. How many sweets did they have altogether? \n" ); document.write( "

Algebra.Com's Answer #815002 by ikleyn(52848) $\"\"$ $\"About$

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document.write( "John had x sweets;  Mark had 4x sweets.\r\n" );
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document.write( "After sharing sweets\r\n" );
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document.write( "    4x - 15 = x + 15.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    4x - x = 15 + 15\r\n" );
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document.write( "      3x   =   30\r\n" );
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document.write( "       x   =    30/3 = 10.\r\n" );
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document.write( "ANSWER.  Altogether, they have  x + 4x = 5x = 5*10 = 50 sweets.\r\n" );
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