a number of tourists were interviewed on their choices of means of travel. Two thirds...
a number of tourists were interviewed on their choices of means of travel. Two thirds...
a number of tourists were interviewed on their choices of means of travel. Two thirds said that they travelled by road,13/30 by air and 4/15 by both air and road. If 20 tourists did not travel by either air or road:
(i) represent the information on a Venn diagram;
(ii) how many tourists were interviewed;
(iii) how many tourists travelled by air only?
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