In a college, the ratio of the number of boys to girls is 8 : 5. If there are 400 girls, the total number of students in the college is  Options:	A) 1040	B) 920	C) 980	D) 720	E) 820

Rationale: "explanation : let the boy are 8 x and girls are 5 x = > 5 x = 400 = > x = 80 total students = 8 x + 5 x = 13 x = 13 ( 80 ) = 1040 option a"
Answer: A