document.write( "Question 1119161: a woman is older dan her daughter by 15 yrs, 10 yrs ago the ratio of their age was 4,1 find thier present age \n" ); document.write( "

Algebra.Com's Answer #734632 by ikleyn(52794) $\"\"$ $\"About$

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document.write( "W = D + 15,        (1)\r\n" );
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document.write( " = 4.        (2)\r\n" );
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document.write( "===================>\r\n" );
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document.write( "W - 10 = 4*D - 40\r\n" );
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document.write( "(D + 15) - 10 = 4*D - 40\r\n" );
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document.write( "D + 5 = 4*D - 40\r\n" );
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document.write( "5 + 40 = 4*D - D\r\n" );
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document.write( "45 = 3*D  ====>  D =  = 15.\r\n" );
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document.write( "Answer.  The daughter is 15 years old.  The women is (15+15) = 30 years old.\r\n" );
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