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?



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Hero
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Someone posted this same problem earlier

awesomeness123
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92 i think!

Hero
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Yet no proof of how you got the 92

awesomeness123
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sorry! I multiplied 90*5 to get 450

awesomeness123
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then subtracted each answer from 450
like 4508492...etc

awesomeness123
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chill out dude

awesomeness123
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idk if im write im so brain weary rite now

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

awesomeness123
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sorry man! im new here! this is my first day

awesomeness123
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i showed my work now!

awesomeness123
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sorry annie!

Hero
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Ask the user if he understands it

annie.kopliku
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I'm a GIRL.

awesomeness123
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its a girl! and annie do you understand how i got that?

Hero
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Annie, did you understand anything @awesomeness123 wrote?

annie.kopliku
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Uh...Well I did, but just not the subtracting part.

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 ?

awesomeness123
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okay to get the average you must add together then divide right

awesomeness123
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so for this we must do the opposite

awesomeness123
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yes! lol
i made that complicated

awesomeness123
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sorry im doing math on a virtual school doing math so my brain feels like jelly

annie.kopliku
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Alright, well then I got it. Thanks ♥

awesomeness123
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im so tired that i wrote doing math twice

awesomeness123
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yes what you did was correct!

annie.kopliku
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It's okay :)

awesomeness123
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np! anytime