Question
Lee spent 1 h 15 min on his Mathematics Project. He spent another 45 min on his Social studies project.
  1. How much time did he spend on both projects?
  2. How much longer did he spend on his Science project than his Social studies project?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Lee spent 1 h 15 min on his Mathematics Project. He spent another 45 min on his Social studies project.
  1. How much time did he spend on both projects?
  2. How much longer did he spend on his Science project than his Social studies project?