A security company charges $250 for 6 hours of its service and $100 for every hour exceeding the 6 hour original charge. Which o
f the following represents the number of dollars paid for a customer who went over the original charge by 3 hours? (A) 9 x 100 (B) 250 + (3 x 100) (C) 250 + 100 (D) (250 x 3) + 100 (E) (250 + 100) x 3
A, C, and D can be a possibility but they are not exactly at the middle. B is the only one that shows a slightly triangular shape, which you can see the middle that shows the best measure of the center.