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24 January, 09:09

A restaurent sold 350 less hotdogs than hamburgers. Altogether, the restaurant sold 700 hotdogs and hamburgers. How many of each did they sell?

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  1. 24 January, 09:30
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    Let d=# of hot dogs, and b=# of burgers. d+b=700, and d = b-350.

    d + b = 700 becomes b-350 + b = 700. = > 2b = 1050; b = 525.

    Then d=525-350 = 175.

    They sell 175 hot dogs and 525 burgers.

    Do 175 and 525 add up to 700? yes.
  2. 24 January, 09:33
    0
    Let x=number of hamburgers, so number of hotdogs is x-350.

    Altogether x+x-350=700, 2x=1050, x=525, so the number of hamburgers is 525 and the number of hotdogs is 175.
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