Answer: You need 10 men to repair 20 chairs in 3 hours.
Explanation:
If 5 men can repair 10 chairs in 3 hours.
You have to figure out how many chairs one man repairs.
So you take the 10 chairs and divide it by the 5 men, which gives you 2
1 man will repair 2 chairs
Then take the 20 chairs and divide it by 2 chairs and it will give you how many men you will need. Which is 10 men
Hope this helps<3
