[pre algebra] need some help

  • Thread starter vincentm
  • Start date
  • #1
321
3
I know this is basic stuff, but i'm barely geting back into school and starting off with a basic math class, so any help would be highly appreciated, i don't want the answers just to be pointed in the right direction. :smile:


'what is the average (arithmetic mean) of 8,7,7,5,3,2 and 2'

(a) [tex]3\frac{4}{7}[/tex]

(b) [tex]4\frac{5}{6}[/tex]

(c) [tex]4\frac{6}{7}[/tex]

(d) 5

(e) [tex]6\frac{4}{5}[/tex]
 

Answers and Replies

  • #2
JasonRox
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Just add them all up, and divide by the total number of numbers you have.
 
  • #3
321
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so the answer is (c) [tex]4\frac{6}{7}[/tex]


which i got by adding the numbers up which is 34 and dividied by that total which is 7, so 34 divided by 7 is 4 remainder 6 which gives me [tex]4\frac{6}{7}[/tex]


right?
 
Last edited:
  • #4
JasonRox
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Looks right to me.
 
  • #5
321
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JasonRox said:
Looks right to me.


Thanks for your help.
 

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