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18 November, 17:38

the number of calories in a piece of pizza is 20 less than 3 time the number in a bag of chips the pizza and chips together have 620 calories how many calories are in each

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  1. 18 November, 17:54
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    pizza is 460, chips are 160

    Step-by-step explanation:

    x is pizza, y is chips

    x+y=620

    x=3y-20

    sub: 4y-20=620

    4y=640

    y=160

    x=460
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