Saturday
August 30, 2014

Homework Help: math

Posted by Julia Ten on Thursday, July 23, 2009 at 7:40pm.

the average of 20 numbers in a list is 32. when a number is added to the list, the average becomes 34. What number was added to the list?

so i started like this...

x/20= 32

my answer is 640. is this correct?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - the mean of a list of seven numbers is 45. if i add two numbers to this ...
Statistics - A list of numbers has an average of 48 and an SD of 12. The list is...
Math - In the list of numbers 1,2,3,4,5,6,7,8,9, how many of the numbers in the ...
math - the difference between two numbers is 5 the average of the number is 11 ...
math - the average of 2 number is 9. list all possible of numbers that will work
5th grade math - A list of numbers represents the following pattern: For each ...
5th grade math - A list of numbers represents the following pattern: For each ...
Keyboarding and word processing - If you're compling a list of sources you used ...
math - Does anyone know how to explain mean, median, mode and range mean?? mean-...
math - average of 6 numbers is 19.A seventh number is added and the new average ...

Search
Members