The average of five numbers is 8. Two of the numbers are 2 and 5. The other three numbers are equal. What is the value of one of the three equal numbers?
49 Comments
VP
10/1/2011 03:51:15 am
try working with the multiples of 8 :)
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Mrs. Parker
10/1/2011 11:09:11 am
VP: Do you already have the answer?
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SI
10/1/2011 11:42:49 pm
I don't even know how to start!!
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vyw
10/3/2011 05:59:04 am
UGHHH..... I forgot how to do this kind of problem. Suggestions?
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BLS
10/3/2011 08:16:00 am
how do you even start?
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BLS
10/3/2011 08:28:37 am
can and/or are the other 3 numbers be the same?
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DTL
10/3/2011 08:46:27 am
simple. just use guess, check, and revise. hope this helps!
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ajc
10/3/2011 09:19:19 am
I got it, try to figure out what the sum of the 5# is.
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el
10/3/2011 09:50:05 am
i got it,put x for the three unkown numbers then use division to solve.
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oa
10/3/2011 10:15:15 am
I got it! If anyone needs any help, try starting with the simple facts. :)
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ag
10/3/2011 10:26:16 am
make sure you know what an average is. Try to think about it less, make it simpler.
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BLS
10/3/2011 10:48:36 am
to get an average, add all the numbers together, then divide by how many numbers there are.
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CAM
10/3/2011 11:57:40 am
I GOT IT! start the question, what divided by 5 =8. You probably know that
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ejm
10/4/2011 06:37:13 am
WHAT? Any suggestions?
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ejm
10/4/2011 06:43:47 am
Never mind I understand now. :)
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OAR
10/4/2011 07:17:49 am
do all of the numbers have to be under 10?
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OAR
10/4/2011 07:25:24 am
i got it!
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BLS
10/4/2011 08:26:38 am
the hardest thing is to figure out if the other 3 numbers are higher then 10.(i think i got the answer)
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JLS
10/4/2011 08:48:06 am
just divide cause you add to find the average so if you divide the average you will get a starter
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JLS
10/4/2011 08:54:05 am
i got it!!! forget what i said earlier people. just start with your basic facts
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VP
10/4/2011 11:07:25 am
Yeah, I do!
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VP
10/4/2011 11:09:52 am
(I was talking to Mrs.Parker
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msc
10/4/2011 11:23:47 am
I realy dont get this problem.help!
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CKM
10/4/2011 12:17:36 pm
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CKM
10/4/2011 12:18:30 pm
Does anyone have any tips on how to start????
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edg
10/5/2011 08:36:56 am
try to think about multiplying!
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LRS
10/5/2011 11:15:12 am
I NEED HELP!!!
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LRS
10/5/2011 11:16:06 am
CAN ANYONE HELP? OR IS EVERYONE OFF?
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chr
10/6/2011 06:51:04 am
i got it!!!!! :) i agree with CAM, start woth what divided by 5 is 8. it really helped me. good luck! :)
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JLS
10/6/2011 07:35:39 am
LRS, start with factors of one of the numbers. don't want to give to big of a hint
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HJS
10/6/2011 09:24:35 am
CAM your right
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jet
10/10/2011 06:14:02 am
try averaging try and remember stem and leaf plots and mean median and mode
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jet
10/10/2011 06:22:13 am
i got it! its simple your probably over thinking it just use the facts u know. ...no decimals no negatives just use ur basic facts to guess and check dont over think it
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SU
10/10/2011 09:14:09 am
The thing that i think you should look for is that if its supposed to =8 it should be a multiple of ..........
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pb
10/10/2011 09:11:41 pm
Think about numbers that five and eight multiply to.
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pb
10/10/2011 09:14:00 pm
This is pretty easy when you use logic.
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cks
10/11/2011 09:30:03 am
sometimes you must subtract and add add add
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gak
10/12/2011 06:23:36 am
the word value is important also thik about how you get the average
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mg
10/12/2011 07:34:04 am
try to find 3 new numbers that when added to 7 can be divided by 5 and equal 8.
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10/13/2011 04:55:50 am
I'll be interested to know how JET used stem and leaf plots.
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LM
10/13/2011 06:29:41 am
try guess and check
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KW
10/25/2011 07:56:06 am
I don't know where to start
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KW
10/25/2011 08:00:42 am
i got it,you have to make the 5 numbers sum divisible by 8
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TD
10/25/2011 12:06:03 pm
think of multiples of 5 and 8
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MK
10/26/2011 11:36:44 am
think of how to find the sum when you know the average
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ONB
10/29/2011 01:49:59 am
thanks for all of the tips! they helped a lot!:)
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bls
11/1/2011 09:10:30 am
the answer should have been anonced in class today
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Hurricane
11/16/2012 11:50:01 pm
cool! but i don't get it
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Caiden puma
4/12/2015 02:24:15 am
11 because 40÷5 =8 so if you add 5 and 2 it is 7 and 40-7=33 and there are 3 numbers left so 33÷3=11
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