32 travellers meet in a hostel. Among them, 20 speak French, 15 speak Spanish and 19 speak English. These counts include 12 travellers who speak Spanish and at least one of French and English. All the travellers speak at least one of the three languages and 3 of the travellers speak all three. How many travellers speak French and also speak English? Answer:
32 travellers meet in a hostel. Among them, 20 speak French, 15 speak Spanish and 19 speak English. These counts include 12 travellers who speak Spanish and at least one of French and English. All the travellers speak at least one of the three languages and 3 of the travellers speak all three. How many travellers speak French and also speak English? Answer:
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:32 travellers meet in a hostel. Among them, 20 speak French, 15 speak Spanish and 19 speak English. These counts include 12 travellers who speak Spanish and at least one of French and English. All the travellers speak at least one of
the three languages and 3 of the travellers speak all three. How many travellers speak French and also speak English?
Answer:
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