Cover of the textbook New Challenges 1 - Student's Book

The key answer of exercise 2

Marguerite: 1) ten; 2) six; 3) an hour and a half
Jonathan: 1) nine; 2) seven; 3) two or three hours
Emma: 1) eight; 2) one lesson over the Internet, sometimes video lessons, sometimes her teacher visits her, she studies at home; 3) she studies for five or six hours at home (but this may not all be homework)

The key to exercise solutions in chapter Across Cultures 2 for the textbook New Challenges 1 - Student's Book with authors Michael Harris, Amanda Maris and David Mower from Pearson Education

Chapter

Exercise