Berikut ini adalah pertanyaan dari missadelineisabel pada mata pelajaran Matematika untuk jenjang Sekolah Menengah Pertama
attractions, if any, they had visited:
■ National Slate Museum
■ National Wool Museum
■ National Library of Wales
27 of the visitors had visited National
Slate Museum and National Wool
Museum and, of these, 8 had visited all
three attractions.
72 of the people had visited National
Library of Wales.
70 of the people had visited National
Slate Museum.
Some further information is given on the
Venn diagram below. How many visitors
had visited the National Library of Wales
only?
Tolong jawab ya, makasih
![A survey was carried out on 150 tourists
to Wales asking which of the following
attractions, if any, they had visited:
■ National Slate Museum
■ National Wool Museum
■ National Library of Wales
27 of the visitors had visited National
Slate Museum and National Wool
Museum and, of these, 8 had visited all
three attractions.
72 of the people had visited National
Library of Wales.
70 of the people had visited National
Slate Museum.
Some further information is given on the
Venn diagram below. How many visitors
had visited the National Library of Wales
only?
Tolong jawab ya, makasih](https://id-static.z-dn.net/files/d9b/766917ecd3bb1b6d1f8bea2584475319.png)
Jawaban dan Penjelasan
Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.
Jawab:
Thirty four visitors had visited the National Library of Wales only.
Penjelasan dengan langkah-langkah:
The processes of analyze numbers of visitors that had visited the National Library of Wales only:
- Select the numbers of the National Library of Wales visitors.
- Calculate the numbers of the National Library only visitors by eliminating the visitors who didn't visit the National Library only.
- Get the conclusion.
1st Process
From Diagram Venn:
- Visitors that had visited National State Museum and the National Library of Wales: x1 = 20 people
- Visitors that had visited the National Wool Museum and the National Library of Wales: x2 = 10 people
From the text:
- Visitors that had visited all three attractions: x3 = 8 people
- Total visitors that had visited the National Library of Wales: xt = 72 people
2nd Process
Elements of total visitors of the National Library of Wales:
- Visitors that had visited National State Museum and the National Library of Wales: x1
- Visitors that had visited the National Wool Museum and the National Library of Wales: x2
- Visitors that had visited all three attractions: x3
- Visitors that had visited the National Library of Wales only: x4
So, xt = x1+x2+x3+x4
72 people =20 people + 10 people + 8 people + x4
x4 = 72 people - 38 people
x4 = 34 people
3rd Process
So, there were 34 visitors that had visited the National Library of Wales only.
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Last Update: Sun, 06 Aug 23