At the end of the summer, a group of friends meet to talk about the holidays just ended: 63% of them was on vacation at sea and 57% was on holiday in the mountains. We can state that: (A) those who have been on holiday both at sea and in the mountains are less than half of those who have been in the mountains but not at sea (B) less than half of them have been on holiday at sea but not in the mountains (C) those who have been on holiday both at sea and in the mountains are more than half of those who have been at sea but not in the mountains (D) those who have only done one of these two types of vacation are more than four limes those who made them both (E) more than half of them have been on holiday in the mountains but not at the sea
At the end of the summer, a group of friends meet to talk about the holidays just ended: 63% of them was on vacation at sea and 57% was on holiday in the mountains. We can state that: (A) those who have been on holiday both at sea and in the mountains are less than half of those who have been in the mountains but not at sea (B) less than half of them have been on holiday at sea but not in the mountains (C) those who have been on holiday both at sea and in the mountains are more than half of those who have been at sea but not in the mountains (D) those who have only done one of these two types of vacation are more than four limes those who made them both (E) more than half of them have been on holiday in the mountains but not at the sea
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 28EQ
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At the end of the summer, a group of friends meet to talk about the holidays just ended: 63% of them was on vacation at
sea and 57% was on holiday in the mountains.
We can state that:
(A) those who have been on holiday both at sea and in the mountains are less than half of those who have been in
the mountains but not at sea
(B) less than half of them have been on holiday at sea but not in the mountains
(C) those who have been on holiday both at sea and in the mountains are more than half of those who have been at
sea but not in the mountains
(D) those who have only done one of these two types of vacation are more than four limes those who made them
both
(E) more than half of them have been on holiday in the mountains but not at the sea
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