Question

in an exam 90% students passed. if 15 students failed ,find the number of the students appeared in an examination .
(with process)

Answer 1

Answer:

let total number of students be x

90%of x + 15 =x

90/100 *x+15=x

9/10x+15=x

9/10x-x=-15

-x/10=-15

-x= -15*10

x= 150

Step-by-step explanation:

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