In a college the ratio of the numbers of boys to the girls is 8:5. If there are 120 girls, the total number of students in the college is?
Choose the correct choice from the following options.
A) 312
B) 356
C) 452
D) 416
E) 512

Rationale: let the number of boys and girls be 8 x and 5 x then , 5 x = 120 x = 24 total number of students = 13 x = 13 * 24 = 312 answer is a
Answer: A