anonymous
  • anonymous
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?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Hero
  • Hero
Someone posted this same problem earlier
anonymous
  • anonymous
92 i think!
Hero
  • Hero
Yet no proof of how you got the 92

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More answers

anonymous
  • anonymous
sorry! I multiplied 90*5 to get 450
anonymous
  • anonymous
then subtracted each answer from 450 like 450-84-92...etc
anonymous
  • anonymous
chill out dude
anonymous
  • anonymous
idk if im write im so brain weary rite now
Hero
  • Hero
You shouldn't just post answers without at least showing how you got it. For more info, consult the code of conduct
anonymous
  • anonymous
sorry man! im new here! this is my first day
anonymous
  • anonymous
i showed my work now!
anonymous
  • anonymous
sorry annie!
Hero
  • Hero
Ask the user if he understands it
anonymous
  • anonymous
I'm a GIRL.
anonymous
  • anonymous
its a girl! and annie do you understand how i got that?
Hero
  • Hero
Annie, did you understand anything @awesomeness123 wrote?
anonymous
  • anonymous
Uh...Well I did, but just not the subtracting part.
anonymous
  • anonymous
Like , can't I just add 84 + 92 + 89 + 93 together and subtract the sum of that from 450 ?
anonymous
  • anonymous
okay to get the average you must add together then divide right
anonymous
  • anonymous
so for this we must do the opposite
anonymous
  • anonymous
yes! lol i made that complicated
anonymous
  • anonymous
sorry im doing math on a virtual school doing math so my brain feels like jelly
anonymous
  • anonymous
Alright, well then I got it. Thanks ♥
anonymous
  • anonymous
im so tired that i wrote doing math twice
anonymous
  • anonymous
yes what you did was correct!
anonymous
  • anonymous
It's okay :)
anonymous
  • anonymous
np! anytime

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