Pie Charts Worksheet With Answers - Grade 7, Muhammad Javed Iqbal Page 7
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1
2
3
4
5
6
7
8
9
10
11
1236
1%
12
= 3
100%
3 × 100
= 300
There are 300 roses altogether.
c) What is the ratio of the number of white roses to the number of red roses?
50% − 40% = 10%
10% of the roses are white.
10
× 300 = 30
100
There are 30 white roses.
40% of the roses are red.
40
× 300 = 120
100
There are 120 red roses.
30 : 120 = 1 : 4
The ratio of the number of white roses to the number of red roses is 1 : 4.
Self think Question
The following pie-chart shows the percentage distribution of the expenditure
incurred in publishing a book.
Study the pie-chart and the
answer the questions based on
it.
Various Expenditures (in percentage)
Incurred in Publishing a Book
a) If for a certain quantity of
books, the publisher has to pay
Rs. 30,600 as printing cost,
then what will be amount of
royalty to be paid for these books?
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