Students at a school were on average 180 cm tall. The average female height was 170 cm, and the average male height was 184 cms. What was the ratio S of men to women? Pick: A) 5 : 2 B) 5 : 1 C) 4 : 3 D) 4 : 1 E) 3 : 1

Rationale: ( a ) s = 184 x 5 + 170 x 2 = 1260 . a
Answer: A