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Hi Jin, I can help get you started. Here is my sketch of the garden and pond. The garden measures $x$ metres on a side and the pond measures $y$ metres on a side. $x$ and $y$ are both whole numbers. The area of the grass is the area of the $x$ by $x$ square minus the area of the surface of the pond. Thus \[x^2 - y^2 = 188\] Can you complete the problem now? Write back if you need more assistance, |
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Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. |