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Mathematics 9 Online
OpenStudy (anonymous):

Please help three of four numbers have a sum of 22. If the average of the four numbers is 8 what is the fourth number? A.4 B. 6 C. 8 D. 10

undeadknight26 (undeadknight26):

http://www.algebra.com/algebra/homework/word/numbers/Numbers_Word_Problems.faq.question.677396.html Try this out not 100% sure if it's right :D But from my calculations reassured by this I am quite sure its D :D

OpenStudy (anonymous):

ok thanks :)

undeadknight26 (undeadknight26):

Np hun!

OpenStudy (anonymous):

its D, 10. im not sure how to solve it algebraically, but i managed to do it through trial and error

undeadknight26 (undeadknight26):

^

OpenStudy (anonymous):

yeah I got 10 too :)

undeadknight26 (undeadknight26):

gj m8

OpenStudy (anonymous):

what is that? xd

undeadknight26 (undeadknight26):

Wut is wut?

OpenStudy (anonymous):

u know it xd

undeadknight26 (undeadknight26):

Now I do >.>

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