Homework Help: math

Posted by Alex on Saturday, October 24, 2009 at 5:39pm.

How would I do this? A sum of money is divided among three persons, X,Y,Z, kn the ratio 10:7:5. If Y gets $14 more than Z, how much will X get and what is the total sum of money? There is no total sum so how do I find it?

math - PsyDAG, Sunday, October 25, 2009 at 11:36am
Y = Z + 14 and
7Y = 5Z

Substitute Z + 14 for Y in the second equation and solve for Z. Go to the first equation to get Y. After that, it should be no problem to find X.

I hope this helps. Thanks for asking.

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