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March 28, 2017

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One kung pao chicken and two big macs provide 2620 calories. Two kung pao chickens and one big mac provide 3740 calories. find the caloric content of each item.

  • linear equation - ,

    1x+2y=2620
    2x+1y=3740
    You can use elimination to solve, which is where you multiply one or more equations to eliminate either the x's or y's.
    Multiplying the top equation by negative 2 will cancel the x's.
    -2x-4y=-5240
    2x+1y=3740
    Add the equations together.
    -3y=-1500
    Divide by negative 3.
    y=500
    Plug y=500 into any of the equations to figure out what x equals. Post if you want it checked.

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