"Wait," Maksim whispered. "That’s not right. The discount was 15%, not 25%."
Forced to actually think, Maksim used the GDZ as a hint rather than a script. He traced the logic, found the error, and solved it himself using the correct numbers. He closed the tab, feeling like a hacker who had outsmarted both the textbook and the internet. "Wait," Maksim whispered
He realized the "ready-made" answer online was for an older edition of the book. If he had just mindlessly copied it, his teacher, Lyudmila Petrovna, would have caught him in seconds. not 25%." Forced to actually think