Question

during blood donation camp in a school 28% of the total to teachers did not donated blood is a number of teacher who donated blood are 54 find the number of teachers in the school​

Answer 1

Answer:

75 teachers

Step-by-step explanation:

let total number of teachers be 'x'

blood not donated= 28% of x

therefore, blodd donated = (100-28)% of x

=72% of x=54

or, (72*x)/100=54

or, x=(54*100)/72

or, x=75

Answer 2

Answer:

hii aaj se online aa gyi huu ... ab please merese baat krna