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Seven years ago, Scott was 3 times as old as Kathy was at that time. If ... ...

Seven years ago, Scott was 3 times as old as Kathy was at that time. If Scott is now 5 years older than Kathy, how old is Scott?
(A)    12½
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Problem Set X: Word Problems

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Posted: 08/05/2012 15:23
Could you work the problem out at the end please
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Posted: 08/05/2012 16:11
Have you followed the Show Correct Answer's explanation? If you have, which part is problematic for u?
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Posted: 08/05/2012 18:07
This solution method was difficult for me to grasp. I figured it out this way.
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Posted: 08/05/2012 22:15
Cef Usa, yay for you. Setting up is 90% of the solution.
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