Question

3. 72% of 25 students are good in mathematics. How many are not good in mathematics?
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Answer 1

Answer:

The answer is 7

Step-by-step explanation:

Total number of students = 25

Number of students who are good at maths

= (72/100) x 25

= 72/4 = 18

Number of students who are not good at maths

= 25 - 18 = 7

Therefore,

The number of students who are not good at maths = 7

Answer 2

Step-by-step explanation:

your answer in attachment