Answer:
44
Explanation:
you have to do "part over whole equals percent over 100"
ex**
* 75 is a PART of 170
* 170 is a WHOLE because is the whole 12th grade
* you are trying to find the percentage so you would put an "x"
* you will always have the 100 at the bottom
part %
------- = ------ then you start to fill in the blanks....
whole 100
75 x%
----- = ------ then you cross multiply and divide...
170 100
first multiply...
75 x 100 = 7500
then divide...
7500 / 170 = 44.1176470588
** obviously you cant have 44.1176470588 people, so you just round it to the nearest whole number and then there is your answer!!
(i hope this helped because it took me 30 minutes to type haha)