document.write( "Question 399438: David helped his father stock the pond with baby catfish and blue gill. They put in a total of 75 fish. If the number of blue gill was doubled and the number of catfish tripled, there would be 175 fish in the pond. How many catfish were put in the pond? \n" ); document.write( "

Algebra.Com's Answer #282857 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Let x and y represent the number of catfish and blue gills respectively 
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document.write( "Question states***
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document.write( " x + y = 75
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document.write( "3x + 2y = 175
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document.write( "Solving for x by sustitution:  y = 75-x
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document.write( " 3x + 2(75-x) = 175
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document.write( "          x = 25, the number of catfish.  50 the number of bluegills  (75-25)
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document.write( "CHECKING our Answer***
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document.write( " 3*25 + 2*50 = 175 \n" );
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