document.write( "Question 1143587: Joanne is 3 years older than amy. Three times joanne's age is 15 years more than twice Amy's age. How old are joanne and Amy?
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Algebra.Com's Answer #764430 by ikleyn(52810) $\"\"$ $\"About$

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document.write( "If Joanne is J years old, then Amy is (J-3) years old.\r\n" );
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document.write( "Further, the condition says\r\n" );
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document.write( "    3J = 15 + 2*(J-3)\r\n" );
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document.write( "    3J = 15 + 2J - 6\r\n" );
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document.write( "     J = 9.\r\n" );
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document.write( "ANSWER.  Joanne is 9 years old;  Amy is 9-3 = 6 years old.\r\n" );
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document.write( "CHECK.   3J = 3*9 = 27;  15 + 2*6 = 15 + 12 = 27.    ! Correct !\r\n" );
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