SOLUTION: Out of a class of 45 students,5 were absent,30% of the remaining had failed to do homework.Find the number of students who did the homework.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Out of a class of 45 students,5 were absent,30% of the remaining had failed to do homework.Find the number of students who did the homework.       Log On


   

Question 1023906: Out of a class of 45 students,5 were absent,30% of the remaining had failed to do homework.Find the number of students who did the homework.
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
45 - 5 absent = 40
30% of 40 = 12
So 40 - 12 = 28 students did their homework.
Hope this helps :-)