Question

Darren teaches a class of 25 students. He assigns homework 3 times a week, and each assignment consists of 12 problems. How many problems must Darren correct each week?

Answer 1

Okay he has 25 students with 3 assignments that have 12 problems each
That means each student will get 36 questions a week (12 x 3)

Answer 2

Next, you have to find how many problems there are in total, so that's 25 x 36
25 students
36 questions

Answer 3

That's 900 questions in total, so (sadly) he has to grade 900 problem :)