Respuesta :
12 problems in each assignment and he assigns the assignments 3 times a week. He has 25 students. Therefor...
12 x 3 = 36
36 x 25 = 900
Answer: 900
12 x 3 = 36
36 x 25 = 900
Answer: 900
12 x 3 = 36 problems a week
36 problems per 25 students
36 x 25 = 900
900 problems total