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AonZ

  • 3 years ago

Help me pls!!! my coaching teacher is going 2 kill me

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  1. AonZ
    • 3 years ago
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    \[\frac{ 2 }{ 9 } \] of the people on a restaurant are adults. if there are 95 more children than adults, how many children are there in the restaurant

  2. Kuoministers
    • 3 years ago
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    he really gonna kill u???

  3. AonZ
    • 3 years ago
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    yes

  4. Kuoministers
    • 3 years ago
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    i would be dead scared ^^

  5. AonZ
    • 3 years ago
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    pls help

  6. FirstFrostByte
    • 3 years ago
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    Okay I'll try :)

  7. Kuoministers
    • 3 years ago
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    7/9 people are children

  8. AonZ
    • 3 years ago
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    i know but in number?

  9. Kuoministers
    • 3 years ago
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    how would i know.. @FirstFrostByte is pro

  10. AonZ
    • 3 years ago
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    uhhhhh frost bite?

  11. FirstFrostByte
    • 3 years ago
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    95 more children, so 7/9 of the people the children portion is 95. Knowing that: (7/9 - 2/9)*x = 95 5/9 * x = 95 So the total people would be: 95 * 9/5 = 171 Next we do: 2/9 *171 = 38 To get the adult count. And this for the children count: 7/9 *171 = 133

  12. Kuoministers
    • 3 years ago
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    im pretty sure u lost him

  13. FirstFrostByte
    • 3 years ago
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    There are multiple ways to solve this... I don't know which method he wants...

  14. AonZ
    • 3 years ago
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    well i kinda like that method u just did

  15. FirstFrostByte
    • 3 years ago
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    @AonZ You know what a variable is right?

  16. AonZ
    • 3 years ago
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    not really

  17. FirstFrostByte
    • 3 years ago
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    Okay let me do this step by step.

  18. AonZ
    • 3 years ago
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    ty

  19. FirstFrostByte
    • 3 years ago
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    \[9/9\]would be everyone in the restaurant. Given to us is 2/9 is adults. So that leaves? 9 - 2 = 7 7/9 Must be children. Do you understand so far before I continue?

  20. AonZ
    • 3 years ago
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    yes

  21. AonZ
    • 3 years ago
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    100%

  22. FirstFrostByte
    • 3 years ago
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    For each "9" people there are 5 more then adults. So: Let's use a variable now which will be "P" for people. 5/9 * P = 95 Now let's flip over 95 to the other side. 95 * 9/5 (it becomes 9/5 due to a rule) = P 95 * 9/5 = 171 Correct? Now we know the total amount of people. Do you understand?

  23. AonZ
    • 3 years ago
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    ohhhhh i get now

  24. AonZ
    • 3 years ago
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    i get the question

  25. AonZ
    • 3 years ago
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    it is just that part that i got lost

  26. AonZ
    • 3 years ago
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    yay so their is 133 children

  27. FirstFrostByte
    • 3 years ago
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    Okay. So: Since we now know the total: Next we do: 2/9(Adults) *171 = 38 Adults And this for the children count: 7/9(Children) *171 = 133 Children So there for 133 Children are in the restaurant.

  28. AonZ
    • 3 years ago
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    and 38 adults

  29. AonZ
    • 3 years ago
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    ty frost byte my coaching techer will not kill me now

  30. AonZ
    • 3 years ago
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    done my homework

  31. FirstFrostByte
    • 3 years ago
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    Haha :) I'm happy you didn't die. There is another method you could do: Take 95 / 5(Since we know there is 5 more children then adults.) And you get 19. So you need 19 sets of 2 adults and 7 children to equal the total. 19 x 2 = 38 Adults 19 x 7 = 133 Children Check your work: 133 - 38 = 95 See?

  32. AonZ
    • 3 years ago
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    ohhhh i think this is a better method for me

  33. FirstFrostByte
    • 3 years ago
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    I guess. But if your in Pre-Algebra. Go with the first method. I'm cleaner and faster. And you'll use it more often too.

  34. AonZ
    • 3 years ago
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    kk cya

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