Question

85%of the students in a school of 300 students passed an annual examination .how many are fail?​

Answer 1

100-85=15% student failed

therefore ,15% of 300 =?

$\frac{15}{100} \times 300$

therefore, 45 students failed in anuual examination.

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Answer 2

Answer:

45

Step-by-step explanation:

Percentage of students who passed = 85%

Percentage of students who failed = 100 - 85 = 15%

15% of 300 students failed

<15% can be written as $\frac{15}{100}$ and of 300 can be written as x 300 >

= $\frac{15}{100}$  x 300 = 15 x 3 = 45

So, 45 out of 300 students failed.