document.write( "Question 713109: jack is two times as old as lacy. 6 years from now the sum of their ages will be 30. How old are they now \n" ); document.write( "
Algebra.Com's Answer #438295 by Jamil Ahmed Tanjum(3) ![]() You can put this solution on YOUR website! Let, Lacy's age is = X \n" ); document.write( "so, after 6 year, her age will be = X+6 \n" ); document.write( "Jack's age is two times as old as Lacy = 2*X = 2X \n" ); document.write( "after 6 years, his age will be = 2X+6\r \n" ); document.write( "\n" ); document.write( "According to the question: \n" ); document.write( "=> X+6+2X+6 = 30 \n" ); document.write( "=> 3X+12 = 30 \n" ); document.write( "=> 3X = 30-12 \n" ); document.write( "=> 3X = 18 \n" ); document.write( "=> X = 18/3 \n" ); document.write( "=> X = 6 \n" ); document.write( "Lacy's age is = 6 \n" ); document.write( "Jack's age is 2*6 = 12 \n" ); document.write( " Answer: Lacy's age is 6 years old and Jack's age is 12 years old. \n" ); document.write( " |