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bealiberty47

  • one year ago

Help on a math question

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  1. bealiberty47
    • one year ago
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  2. bealiberty47
    • one year ago
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    @triciaal

  3. bealiberty47
    • one year ago
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    @TheSmartOne @Luigi0210 @Nnesha

  4. anonymous
    • one year ago
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    help

  5. anonymous
    • one year ago
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    Which strategies can be used to solve this problem? Colin invited 31 people to the picnic. He can fit 10 people at his picnic table and the rest will sit on blankets. Each blanket can hold 3 people. How many blankets does Colin need so that everyone has somewhere to sit? Choose all answers that are correct. A. Draw a diagram. Ten people at one table, 3 people on a blanket, 3 people on a blanket, 3 people on a blanket, 3 people on a blanket, 3 people on a blanket, 3 people on a blanket, 3 people on a blanket. Count the number of blankets. B. Work backward. Start with 0 and keep adding 3 until you get to 30. The 1 that is left is the 1 table. The number of times you added 3 is the number of blankets. C. Use logical reasoning. Start with 31 people, subtract 10 people who will sit at the picnic table, that leaves 21 people. Keep subtracting 3 people until you get to 0. Count how many times you subtracted 3 people. D. Translate into an equation. 31 – 10 + 3 + 3 = b

  6. triciaal
    • one year ago
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    @bealiberty47 do you still need help with the original question?

  7. bealiberty47
    • one year ago
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    Yes please

  8. triciaal
    • one year ago
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    use the "draw" and copy the venn diagram here

  9. bealiberty47
    • one year ago
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    |dw:1433964440869:dw|

  10. triciaal
    • one year ago
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    |dw:1433968195943:dw|

  11. triciaal
    • one year ago
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    B + C + M = 57 B = 25 B + C = 48 so C = 23 M + C = 9 M + C + B = 3

  12. triciaal
    • one year ago
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    need to verify

  13. bealiberty47
    • one year ago
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    how does MCB = 3?

  14. bealiberty47
    • one year ago
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    what is the 3?

  15. bealiberty47
    • one year ago
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    I know its on the original diagram I just don't understand what it is representing

  16. bealiberty47
    • one year ago
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    ok ok nevermind I get it. I'm just dense lol

  17. triciaal
    • one year ago
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    |dw:1433968692371:dw|

  18. bealiberty47
    • one year ago
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    Thanks :)

  19. triciaal
    • one year ago
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    how many take 2 classes?

  20. bealiberty47
    • one year ago
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    17

  21. triciaal
    • one year ago
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    you are welcome

  22. bealiberty47
    • one year ago
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    7 + 4 + 6 is 17 so 17 students

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