Question

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

Answer 1

Answer:

the number of student interested in mathematics = 72% of 25

$\frac{75}{100} \times 25 \\ = 18.75$

therefore, the number of the students notinterested in mathematics

= 25- 18.7

=6.25

Step-by-step explanation:

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Answer 2

Answer:

7

Step-by-step explanation:

72% of 25 students are interested in maths

That means (100-72)%= 28 % are not interested

So to find the number of students not interested in maths we find 28% of 25

so 28% of 25

= (28×25)/100

=7

So 7 students out of 25 are not interested in maths.