Example sentences of "50 and [adj] [unc] cent of " in BNC.

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1 Reactor-grade plutonium typically contains between 50 and 80 per cent of the plutonium 239 isotope ; weapons grade normally contains more than 90 per cent .
2 Falling in dreams is quite common : surveys have found that between 50 and 80 per cent of subject samples report at least one falling dream .
3 Magistrates usually granted both a separation order and maintenance , yet as evidence to the 1912 Royal Commission on Divorce showed , between 50 and 80 per cent of couples were reconciled when the husband 's financial position improved .
4 Between 50 and 80 per cent of broiler chickens ( selected for fast growth and meat ) raised under intensive conditions have leg and bone defects , according to the Agricultural and Food Research Council .
5 The stringency of these restrictions reflected public opinion that the motor vehicle was the primary villain in air pollution problems , accounting for between 50 and 60 per cent of total US air pollution emissions .
6 Before the campaign , between 50 and 60 per cent of medical students were likely to be unvaccinated .
7 It still remains the case that something between 50 and 60 per cent of all regions in the Community lie within 15 per cent of the Community average per capita GDP .
8 For a married couple they were reckoned to be between 50 and 60 per cent of post-tax earnings in France , Germany and the United States , about one-third in Britain and Italy , and probably barely one-fifth in Japan .
9 According to Arnold ( 1987 ) , shifting cultivation is the main cause of deforestation , causing 70 , 50 and 35 per cent of the deforestation in Africa , Asia and tropical America respectively .
10 The Company , from its very first voyage , exported bullion rather than English products and , when economists complained that this would lead to a loss of bullion which would cause deflation and depression in England , the Company replied that it exported between 50 and 90 per cent of its pepper to countries in northern Europe which paid four or five times as much silver as the Company paid in India , so that on balance its activities substantially increased the amount of bullion in the country .
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