Tuesday

October 21, 2014

October 21, 2014

Posted by **mary** on Friday, July 27, 2012 at 9:50pm.

- math -
**Reiny**, Friday, July 27, 2012 at 10:02pmSum of the seven number = 7(45) = 315

after adding 2 more the sum is now 9(37) or 333

so the sum of the two numbers added must have been 18

or their average (mean) must have been 18/2, which is 9

**Answer this Question**

**Related Questions**

Math - The mean of five numbers is 8. If one of the numbers is removed from the ...

Statistics - List five numbers for which the sample mean is 30 and not all ...

Math - In the list of numbers 1,2,3,4,5,6,7,8,9, how many of the numbers in the ...

COP 2000-6 - show an example of an user inputs a list of positive numbers ...

math - List the factors of each of the following numbers. 66 do they mean like 1...

math - Does anyone know how to explain mean, median, mode and range mean?? mean-...

programming - Input a list of positive numbers (terminated by 0) into an array, ...

math - what is a mean and how you do it A mean is the average. To find the mean ...

Math - Input a list of positive numbers (terminated by 0) into an array find the...

math - the average of 20 numbers in a list is 32. when a number is added to the ...