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31 January, 16:03

30 friends are coming to my house for a cookout. 16 of them want hot dogs, 16 of them want burgers, and 11 of them want salad. 5 say they want to have both hot dogs and salad, and of these, 3 want burgers as well. 5 want only salad, and 8 want only burgers. how many people want hot dogs only? a3 b4 c16 d7 e 11 f 5

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  1. 31 January, 16:15
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    16 want burgers and 11 want salads, 11+16=27, 30-27=3, a3
  2. 31 January, 18:36
    0
    11-5-5=1

    16-3-8=5

    16-5=11

    5+5+3+8+5=26

    30-26=4

    =D 4
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