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BMAT考试练习题:
A survey of primary school children showed thatbetween 55% and 65% owned a laptop computer, between 70% and 80% owned a mobilephone and fewer than 5% owned neither of these items.
What percentage of the children owned both a laptopcomputer and a mobile phone?
A between 15% and 30%
B between 25% and 45%
C between 25% and 50%
D between 30% and 45%
E between 30% and 50%
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