 
<translate> Ọnụ ọgụgụ ụmụ akwụkwọ nọ na klas nke mbụ na nke abụọ ji 30 karịa ọnụ ọgụgụ ụmụ akwụkwọ nọ na klas nke abụọ na nke ise. Ugboro ole ka ọnụ ọgụgụ ụmụakwụkwọ nọ na klas nke ise ji dị ala ma e jiri ya tụnyere nke nọ na klas nke mbụ? Nhọrọ: (A) 20 (B) 30 (C) 10 (D) 40 (E) 15 Ugbu a, ka anyị chee echiche. Ụfọdụ echiche na-enweghị isi: <eng> The total number of students in Grades 1 and 2 is 30 more than the total number of students in grades 2 and 5. How much lesser is the number of students in Grade 5 as compared to Grade 1?
Options:
(A) 20
(B) 30
(C) 10
(D) 40
(E) 15 Now, let's think a bit. Some random thoughts: 