Answer:
2 hours
Explanation:
If you convert 1/5 to tenths it's 2/10.
If you add 2/10 and 3/10 you get 5/10 which would be how much off the task you got done in one hour.
Therefore you times 5/10 by 2 and you get 10/10 so the task is done and it took 2 hours.