Ken spent 1 h 40 min on his History Project. He spent another 30 min on his Science project.
- How much time did he spend on both projects?
- How much longer did he spend on his Science project than his Science project?
(a)
Time that Ken took to do History project = 1 h 40 min
Time that Ken took to do Science project = 30 min
Total time that Ken spent on both projects
= 1 h 40 min + 30 min
= 2 h 10 min
(b)
Time that Ken spent on Science project longer than Science project
= 1 h 40 min - 30 min
= 1 h 10 min
Answer(s): (a) 2 h 10 min; (b) 1 h 10 min