There are 80 more spots for dogs than cats.
Further Explanation:
Let x denote one spot
then,
[tex]Spots\ for\ cats=2x\\Spots\ for\ dogs=7x\\and\\Total\ spots= 2x+7x \\=9x\\It\ is\ given\ that\ the\ total\ spots\ are:\\9x = 144\\Dividing\ both\ sides\ by\ 9\\\frac{9x}{9} = \frac{144}{9} \\x=16\\So,\\Spots\ for\ cats = 2x = 2*16 = 32\ spots\\Spots\ for\ dogs = 7x = 9*16=112\ spots\\[/tex]
To find the number of spots for dogs more than cats:
[tex]= 112 - 32\\=80 spots[/tex]
Hence, there are 80 more spots for dogs than cats.
Keywords: Ratio, Difference
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