M miller New member Joined Feb 3, 2006 Messages 1 Feb 3, 2006 #1 Matt is twice as old as his son. Twenty years ago, he was 4 times as old as his son was then. How old are they now? Please help
Matt is twice as old as his son. Twenty years ago, he was 4 times as old as his son was then. How old are they now? Please help
D Denis Senior Member Joined Feb 17, 2004 Messages 1,700 Feb 3, 2006 #2 miller said: Matt is twice as old as his son. 20 years ago, he was 4 times as old as his son was then. How old are they now? Please help Click to expand... S = son; so Matt = 2S : Matt is twice as old as his son 2S - 20 = 4(S - 20) : 20 years ago, he was 4 times as old as his son was then. Carry on...
miller said: Matt is twice as old as his son. 20 years ago, he was 4 times as old as his son was then. How old are they now? Please help Click to expand... S = son; so Matt = 2S : Matt is twice as old as his son 2S - 20 = 4(S - 20) : 20 years ago, he was 4 times as old as his son was then. Carry on...