Respuesta :
Graders which have dogs = 50%
Number of graders having dogs = 45
Let the total number of students be 'x'
So, the equation would be
50% of x = 45
50/100 × x = 45
x = 45×100/50
x = 90 students
Number of graders having dogs = 45
Let the total number of students be 'x'
So, the equation would be
50% of x = 45
50/100 × x = 45
x = 45×100/50
x = 90 students