Question

Tenia began reading a book in her English class. She read 75 pages in class before winter break. Tenia reads the same number of pages in her book each day of winter break. After 2 days of break, she is on page 125. After 5 days, she is on page 200. Her book is 400 pages long. Which of the following equations represents the situation?

Answer 1

I need more info like what equations are following? (I’ll edit correct answer later with more info)