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...of consecutive integers, you must first find the middle number. To do this, you add the first and last number, and divide by two. 1 + 100 / 2 = 55.5 Next, you must find the number of numbers (last...

4 Answers · Education & Reference · 30/08/2010

If you add 1 to 100 , you have 101. Then if you add 2 to 99, you also get 101. See a pattern? 1 + 100 2 + 99 3 + 98 (...) 50 + 51 Basically, you have 50 operations that add to 101 each, so the total is 5050.

11 Answers · Science & Mathematics · 18/08/2008

you DO have to count 51, 52 etc and you can compute the total in a much simpler...doesn't change # of 5's) in each of the 2 columns, 1 /10 of the 100 digits will be 5, so 2 * 1 /10 * 100 = 20 <...

5 Answers · Science & Mathematics · 10/08/2011

12.

1 Answers · Entertainment & Music · 02/02/2015

... which each add up to 100 for a total of 4900 Then all you have to do is add what is left, the 50 and the 100 4900 + 100 + 50 =5050 There's a general formula for this: n(n+ 1 )/2 = 100 *101/2 = 50 * 101 = 5050

3 Answers · Science & Mathematics · 26/10/2013

Obama 100 McCain 2 Bush 1

11 Answers · Politics & Government · 06/06/2008

1 m = 100 cm Scale 14 m to 14 cm

1 Answers · Science & Mathematics · 17/03/2014

There are at least 101 ways to do this. http://www.jimloy.com/puzz/1234.htm

2 Answers · Science & Mathematics · 17/07/2010

...for the sum of the first n terms of the series 1 /k is ln(k+ 1 ). So you could go ln(201) - ln( 100 ) to get pretty close to the answer.

2 Answers · Education & Reference · 06/11/2010

The # 1 thing you can do to go faster is improve your stroke mechanics...a long VERY SPECIFIC explanation of how to swim a 100 yd race. If you apply what I wrote, your...

3 Answers · Sports · 08/02/2012

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