Question

75% of 60 students are good at english.how many are not good at english

Answer 1

75/100=3/4
then,(3×60)/4
=45 so 60-45=15

Answer 2

The number of students not good at English = 15

Given :

75% of 60 students are good at English

To find :

The number of students not good at English

Solution :

Step 1 of 2 :

Calculate number of students good at English

Here it is given that 75% of 60 students are good at English

∴ Number of students good at English

$\displaystyle \sf = 60 \times \frac{75}{100}$

$\displaystyle \sf = 45$

Step 2 of 2 :

Calculate number of students not good at English

The number of students not good at English

= Total number of students - Number of students good at English

= 60 - 45

= 15

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