SOLUTION: On a math test, 12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class?

Algebra.Com
Question 28829: On a math test, 12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class?
Answer by xcentaur(357)   (Show Source): You can put this solution on YOUR website!
number of students = 12
12 is what percent of the total class? = 25%


12 -> 25%
x -> 100%


cross multiply,
x=12*100/25=48 students
hence total 48 students in the class


Prabhat

RELATED QUESTIONS

on a math test, 12 students earned an A. This number is exactly 30% of the total number... (answered by vleith,josmiceli)
On a math test, 12 students earned an A. This number is exactly 25% of the total number... (answered by mananth)
On a math test, 12 students have earned an A. This number is exactly 25% of the total... (answered by user_dude2008)
On a math test, 12 students earned an A. This number is exactly 25% of the total number... (answered by Fombitz)
On a math test, 12 students earned an A. This number is exactly 25% of the total number... (answered by nerdybill)
On a math test, 12 students earned an A. This is exactly 25% of the total number of... (answered by richard1234)
on a math testm 12 students earned an a. this number is exactly 25% of the total number... (answered by ewatrrr)
on a math test, 12 students earned an A.This number is exactly 25% of the total number of (answered by nerdybill)
on a math test, 12 students earnedan A . This number is exactly 25%of the total number of (answered by robertb,stanbon)