Saturday
April 18, 2015

Homework Help: Math..number string

Posted by M.A. on Saturday, June 13, 2009 at 7:44am.

How many numbers are in the string
57, 59, 61, 63,...1233?

My friend calculated 588.
I am too concrete in my thinking and did it the hard way, listing all of the numbers on an Excel sheet and found that there were 619 numbers. Who is correct?
And how is this calculated?

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