document.write( "Question 899805: A says to B i am thrice as old as you are when i was at your age.If sum of their present ages is 60.Then find their present ages individually.
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document.write( "Note:the answer should be other than 45,15 \n" );
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Algebra.Com's Answer #545796 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A says to B i am thrice as old as you are when i was at your age. \n" ); document.write( "If sum of their present ages is 60, then find their present ages individually. \n" ); document.write( ": \n" ); document.write( "let d = the difference in their ages (A-B) \n" ); document.write( ": \n" ); document.write( "A = 3(B-d) \n" ); document.write( "A = 3B - 3d \n" ); document.write( "Replace d with (A-B) \n" ); document.write( "A = 3B - 3(A-B) \n" ); document.write( "A = 3B - 3A + 3b \n" ); document.write( "A = 3A = 3B + 3B \n" ); document.write( "4A = 6B \n" ); document.write( "A = \n" ); document.write( "A = 1.5B \n" ); document.write( ": \n" ); document.write( "A + B = 60 \n" ); document.write( "Replace A with 1.5B \n" ); document.write( "1.5B + B = 60 \n" ); document.write( "2.5B = 60 \n" ); document.write( "B = 60/2.5 \n" ); document.write( "B = 24 yr \n" ); document.write( "Find A \n" ); document.write( "A = 1.5(24) \n" ); document.write( "A = 36 yrs\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |