document.write( "Question 1123750: kofi is four times as old as kobby and kofi is 36years older than kobby. how old is kofi? \n" ); document.write( "

Algebra.Com's Answer #740119 by ikleyn(52790) $\"\"$ $\"About$

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\n" ); document.write( "Answer. Kobby is 12 years old; Kofi is 48 years old.\r
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document.write( "Actually, this problem can be solved mentally and momentarily, as soon as you completed reading the condition.\r\n" );
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document.write( "But if you want to use Algebra, here it is:\r\n" );
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document.write( "    4x - x = 36\r\n" );
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document.write( "    3x = 36\r\n" );
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document.write( "    x = 36/3 = 12  is the Kobby age.

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