x + y = 26 8x = 5y Substitute, and find x = 10, y = 16. But like on the pianotech question, I suspect it's a trick question somehow :-) Jim On Mon, Sep 20, 2010 at 5:48 PM, Paul T Williams <pwilliams4 at unlnotes.unl.edu> wrote: > Hi all, > > Are you as smart as an 8th grader? > > I pay my son 8 cents for every problem he gets correctly solved and fine him > 5 cents for each incorrect solution. At the end of 26 problems, neither owes > anything to the other. How many problems did the boy solve correctly? > > What the algebraic solution here? > Paul >
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