Comments on: Mathematical Question? http://www.sellflatfast.co.uk/flat-sale/mathematical-question/ Sell your flat fast for cash Sat, 11 Feb 2012 00:28:22 +0000 http://wordpress.org/?v=2.7.1 hourly 1 By: ignoramus http://www.sellflatfast.co.uk/flat-sale/mathematical-question/comment-page-1/#comment-3222 ignoramus Fri, 30 Jul 2010 03:58:22 +0000 http://www.sellflatfast.co.uk/flat-sale/mathematical-question/#comment-3222 The sum of all the numbers from 1 to n = n (n + 1) / 2 So when n = 300, sum = 300 x 301 / 2 = 45150 pence, or £451.50 The sum of all the numbers from 1 to n = n (n + 1) / 2

So when n = 300, sum = 300 x 301 / 2 = 45150 pence, or £451.50

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