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If a farm as 13 heads and 36 feet. How many chicken are there and how many rabbit are there?

  • math -

    use a system of equations.
    x+y=13
    2x+4y=36
    multiply first equation by negative two
    -2x-2y=-26
    2x+4y=36
    then eliminate the x
    2y=10
    y=5
    then solve for x

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