Hong went shopping after she woke up. It took Hong 20 minutes to get ready to go shopping. She shopped for 45 minutes and then spent 40 minutes eating a snack. Then she talked on the phone with her friends for 30 minutes. She finished talking to her friends at 10:40 a.m.
What time did Hong wake up?
A.
Work backward.
Hong started talking with her friends at 10:10.
Hong started eating at 9:30.
Hong started shopping at 8:45.
Hong woke up at 8:25.
B.
Work backward.
Hong started talking with her friends at 10:40.
Hong started eating at 11:10.
Hong started shopping at 11:50.
Hong woke up at 12:25.
C.
Work backward.
Hong started talking with her friends at 10:20.
Hong started eating at 9:40.
Hong started shopping at 8:55.
Hong woke up at 8:35
The answer is A. Work backward. Hong started talking with her friends at 10:10. Hong started eating at 9:30. Hong started shopping at 8:45. Hong woke up at 8:25.
