In a college the ratio of the numbers of boys to the girls is 8:5. If there are 210 girls, the total number of students in the college is?  Pick:
A) 562	B) 356	C) 452	D) 416	E) 546

Rationale: "let the number of boys and girls be 8 x and 5 x then , 5 x = 210 x = 42 total number of students = 13 x = 13 * 42 = 546 answer is e"
Answer: E