Saturday
July 4, 2015

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?

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