The ratio of the number of females to males at a party was 1:2 but when 5 females and 5 males left, the ratio became 1:3. How many people were at the party originally?  Choose the most appropriate option: A) 26 B) 28 C) 30 D) 32 E) 34

Rationale: "the total number of people are x females + 2 x males . 3 * ( x - 5 ) = 2 x - 5 x = 10 there were 3 x = 30 people at the party originally . the answer is c ."
Answer: C