Question
Ken spent 1 h 40 min on his History Project. He spent another 30 min on his Science project.
  1. How much time did he spend on both projects?
  2. How much longer did he spend on his Science project than his Science project?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Ken spent 1 h 40 min on his History Project. He spent another 30 min on his Science project.
  1. How much time did he spend on both projects?
  2. How much longer did he spend on his Science project than his Science project?