SOLUTION: Assign two equations: Bob sells cats and dogs. He has a total of 10 cats and dogs sold. He sold each cat for $300 and each dog for $400 and made a total of $3200.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Assign two equations: Bob sells cats and dogs. He has a total of 10 cats and dogs sold. He sold each cat for $300 and each dog for $400 and made a total of $3200.      Log On


   

Question 883977: Assign two equations: Bob sells cats and dogs. He has a total of 10 cats and dogs sold. He sold each cat for $300 and each dog for $400 and made a total of $3200.
Answer by lwsshak3(11628) About Me  (Show Source):
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Assign two equations: Bob sells cats and dogs. He has a total of 10 cats and dogs sold. He sold each cat for $300 and each dog for $400 and made a total of $3200.
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let x=number of cats
let y=number of dogs
x+y=10
y=10-x
..
300x+400y=3200
300x+400(10-x)=3200