Asurvey asked 72 randomly chosen students if they were going to attend the school play twelve said yes, predict the number of students who attend the school.

show the formula .

72 people questioned , 12 are going . that means that 16.6..% of which are going , 16.6% is equal to 1/6 so 210 x 6 = 1260 . the number of students that attend the school would be 1260 if im right but if its how many students attended the play then it would be a 1/6 of 210 which is 35

Where are the functions?