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\\November 3, 2023 12:46 PM Surender Prajapati Proof 2 Reader _________________________ Date: ___________________74

6. Convert the following percentages into decimals.
(a) 15% (b) 24% (c) 88% (d) 120%

7. Convert the following decimals into percentages.
(a) 1.8 (b) 0.05 (c) 0.83 (d) 2.35

maths fun

The picture below is drawn on a 100 square grid paper. Write the
percentage of the total squares that are:

(a) blue (b) green
(c) pink (d) coloured

PARTS ALWAYS ADD TO GIVE A WHOLE

Suppose, there are 55% of a given number of students are boys in a school.
This means that, if there were 100 students, then 55 out of
Remember
them would be boys and the remaining would be girls. When all parts of a
Then girls would obviously be (100 – 55)% = 45%. quantity or a number are
So, if we are given one part, then we can always find out the added together form a

other part. whole or 100%.
Example: If 70% of students in a class reach the school by school bus, what per cent of
the student do not use school bus?
Solution: Here, we would consider total number of students of the school = 100%

So, students who use school bus = 70%
Thus, students who do not use school bus = (100 – 70)% = 30%

FINDING QUANTITY OF A GIVEN PERCENTAGE

To find the quantity of a given percentage, convert the given percentage into fraction and
then multiply it to the given number or quantity.

For example, 20% of 160 = 20 × 160 = 2 × 16 = 32
100
Example 1: What is 15% of 120 m? Example 2: What is 30% of `700?

Solution: 15% of 120 m Solution: 30% of `700

= 15 × 120 = 15 × 12 = 30 × 700 = `210
100 10 100

= 180 = 18 m
10

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