Question 662163
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Hi,
The number of cats in the United States exceeds the dog population by 7.5 million.  
The number of cats and dogs combined is 114.7 million.  
Determine the number of dogs{{{highlight(x)}}} and cats{{{highlight(y)}}} in the United States.
Algebraicly Question states*** 
x = y + 7.5M
x + y = 114.7M

x -y  =     7.5
<u>x +y = 114.7</u>
   2x = 122.2
    x = 61.1M cats  and 53.6M dogs    {{{61.1-7.5}}}