The number of students was The number of students was counted wrongly as 174 and hence there was a 13% decrease in the number
of students. Determine the actual number of students.
(A) 200
(B) 300
(C) 400
(E) 150
(D) 174
Answers
Answered by
0
Answer :
The answer is
D) 174
step- by- step- explanation
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Answered by
0
Answer:
(A) 200
Step-by-step explanation:
Let the total number of student in class be x
Now, due to wrong value there was a percentage decrease which means x > 174.
Thus the percentage error is calculate with a value
(Final Value - Initial Value) ÷ Initial Value = Percentage Error
∴ In this case
(x-174)/x = 13/100
Solving the above equation gives the values of x = 200
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