document.write( "Question 1148230: The ratio of David's age 5years ago and in 8 years time is 2:3. How old was David 11years ago \n" ); document.write( "

Algebra.Com's Answer #769587 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "Let x be the David's age.\r\n" );
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document.write( "From the condition, you have this equation \r\n" );
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document.write( "     = .\r\n" );
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document.write( "To solve it, cross multiply; then simplify\r\n" );
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document.write( "    3*(x-5) = 2*(x+8)\r\n" );
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document.write( "    3x - 15 = 2x + 16\r\n" );
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document.write( "    3x - 2x = 16 + 15\r\n" );
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document.write( "     x      = 31    is the current David's age.      ANSWER\r\n" );
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