Question

In the exam 45% students failed and 550
students were successful. The total number
of students who appeared in the exam were:​

Answer 1

Answer:

1. 45percent failed Student
2. First I will find passed percent Student 100-45=55percent students passed
3. 55/100=550
4. 1000Students
5. total students =1000+550
6. 1550

Answer 2

Answer:

Total Students=1000

Step-by-step explanation:

Let total students is x

x=550+45% of x

x=550+(45x/100)

x=550+(9x/20)

x-(9x/20)=550

20x-9x=550*20

11x=550*20

x=550*20/11

x=50*20

x=1000