Question

72% of 25 students are interested in mathematics. How many are not interested
in mathematics?
10​

Answer 1

Answer:

25-(25*72/100)

=25-18

=7

Answer 2

Answer:

7 students are not interested in Maths.

Step-by-step explanation:

Let's the total percentage of students in class

= 100%.

In real 25 students are in the class.

72% of students are interested in Mathematics.

=). 72% of 25.

=). 72/100 × 25

=). 72/4

=). 18

Therefore, 18 students are interested in Maths.

Let's the number of students don't interested in maths = x

x + 18 = 25

x = 25 - 18

x = 7

So, 7 students are not interested in mathematics.

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