Word Problems: Several Steps

1. The auditorium is split into 3 identical side by side sections. Each section has 6 seats in a row. If there are 30 rows in every section, which of the following numbers could be the number of people in the auditorium at full capacity?

(A) 240

(B) 270

(C) 360

(D) 420

(E) 540

2. There are twice as many men as woman in a train car from Houston to Los Angeles. The train makes a stop in Phoenix and five men get off and one woman gets on this train car. There is now an equal amount of men and women in this train car. How many people are on the train car when they reach Los Angeles?

(A)6

(B)7

(C)12

(D)14

(E)18

3. On the SAT, students get 1 point for each correct answer, 0 points for each answer left blank, and $\dfrac{-1}{4}$ for each wrong answer. If a student received a score of 11 on a 16 question section and left none blank, how many questions did the student get right?

(A) 10

(B) 11

(C) 12 

(D) 13

(E) 14

4. Steven painted three walls in 45 minutes and Abraham painted one more wall than Steven in twice the time. How many walls can Abraham paint in six hours?