Example sentences of "at least a [num ord] [prep] " in BNC.

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1 This would suggest that around 30 per cent of the " living-out " labouring classes were to some extent skilled , but if living-in servants of all classes are included the proportion would shrink to a quarter and if unskilled " manufacturers " are removed , we can conclude that at least a fifth of the men of the labouring classes of the eighteenth century were more or less skilled , that is had something other than " common " labour power to offer on the labour market .
2 It appears that about two-thirds of well documented cases of AIDS related sclerosing cholangitis in the United Kingdom will prove infected , and that at least a sixth of patients with cryptosporidiosis will have AIDS related sclerosing cholangitis if subjected to endoscopic retrograde cholangiopancreatography .
3 Thus just one granule absorbs at least a 500th of a drop .
4 You should save at least a third on the cost of an equivalent conventionally built house .
5 Another key advantage is insulation , say Potton , who claim that their product can yield heat savings of at least a third over a comparable brick home .
6 At least a third of the route takes the steep open wall to the left of the corner and the climb as a whole demands a wide range of climbing technique .
7 At least a third of it could have been cheerfuly excised : the highlights from Tommy , for instance , merely served to show how few there were ; and there was a serious lapse of taste in resurrecting their ‘ Laughing Gnome ’ , ‘ Boris the Spider ’ ( presumably performed to give nice John Entwistle his turn in the spotlight ) .
8 Nicholas Young laid over £10m-worth of bets in five years — at least a third of it with other people 's money .
9 At least a third of state-owned enterprises , still the backbone of the economy , are losing money .
10 A history of attempted suicide is a particular risk factor ( Roy 1982 ; Fernando and Storm 1984 ) , although , as noted above , this applies to at least a third of hospital patients .
11 But the quotas imposed by the United States and Britain — a thousand to each country — fell a long way short of Eichmann 's target of clearing another 45,000 Jews from Vienna , at least a third of them children , within six months .
12 A morning in which at least a third of the colour spectrum becomes a personal reproach , many flower-beds a matter for regret , every marigold a tiny disappointment and even nasturtiums cast aspersions .
13 The Five Civilised Nations Museum in Muskogee , Oklahoma , that normally shows and sells Indian art , closed down an exhibition in 1991 when it found that at least a third of its ‘ Indian ’ artists had no tribal documentation .
14 Since the late 1960s most women have had sex before marriage — increasing from at least a third of women who were married in the late 1950s to three-quarters of women married in the early 1970s ( Dunnell 1979 ) .
15 Clara calculated that at least a third of the objects laid on the table , by regulation , were not used during the course of any single meal , and yet their function was certainly not one of gracious adornment .
16 This fact , coupled to our urgent need to export at least a third of our gross national product , simply to maintain ourselves , points to an obvious answer to our problems , for service industries and export together , suggests leisure and tourism .
17 And one of the things that we do need to look at is , that is almost every salesman that I 've ever measured and almost every bit of research I 've ever seen , suggested that every salesman in the world , spends at least a third of his time driving about in his car .
18 In addition , at least a third of the staff should have obtained a food handlers certificate .
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