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annie.kopliku

Frank has test grades of : 84 , 92 , 89, and 93. He wants an average of 90. What grade should he get on his next test in order to get a 90 average?

  • one year ago
  • one year ago

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  1. Hero
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    Someone posted this same problem earlier

    • one year ago
  2. awesomeness123
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    92 i think!

    • one year ago
  3. Hero
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    Yet no proof of how you got the 92

    • one year ago
  4. awesomeness123
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    sorry! I multiplied 90*5 to get 450

    • one year ago
  5. awesomeness123
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    then subtracted each answer from 450 like 450-84-92...etc

    • one year ago
  6. awesomeness123
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    chill out dude

    • one year ago
  7. awesomeness123
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    idk if im write im so brain weary rite now

    • one year ago
  8. Hero
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    You shouldn't just post answers without at least showing how you got it. For more info, consult the code of conduct

    • one year ago
  9. awesomeness123
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    sorry man! im new here! this is my first day

    • one year ago
  10. awesomeness123
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    i showed my work now!

    • one year ago
  11. awesomeness123
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    sorry annie!

    • one year ago
  12. Hero
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    Ask the user if he understands it

    • one year ago
  13. annie.kopliku
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    I'm a GIRL.

    • one year ago
  14. awesomeness123
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    its a girl! and annie do you understand how i got that?

    • one year ago
  15. Hero
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    Annie, did you understand anything @awesomeness123 wrote?

    • one year ago
  16. annie.kopliku
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    Uh...Well I did, but just not the subtracting part.

    • one year ago
  17. annie.kopliku
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    Like , can't I just add 84 + 92 + 89 + 93 together and subtract the sum of that from 450 ?

    • one year ago
  18. awesomeness123
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    okay to get the average you must add together then divide right

    • one year ago
  19. awesomeness123
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    so for this we must do the opposite

    • one year ago
  20. awesomeness123
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    yes! lol i made that complicated

    • one year ago
  21. awesomeness123
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    sorry im doing math on a virtual school doing math so my brain feels like jelly

    • one year ago
  22. annie.kopliku
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    Alright, well then I got it. Thanks ♥

    • one year ago
  23. awesomeness123
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    im so tired that i wrote doing math twice

    • one year ago
  24. awesomeness123
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    yes what you did was correct!

    • one year ago
  25. annie.kopliku
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    It's okay :)

    • one year ago
  26. awesomeness123
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    np! anytime

    • one year ago
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