Опрос от журнала "8 часов": "Чем Вы питаетесь на работе?"

On a certain day, a news vendor began the day with P papers. Between opening
and noon, he sold 40 percent of the papers, and between noon and closing, he
sold 60 percent of the papers which remained. What percent of the original P
papers did he sell?

A) 0
B) 0,2
C) 0,24
D) 0,76
E) 1