Question

It takes five carpenters 5 hours to make 5 chairs. How long would it take 100 carpenters to make 100 chairs?

Answer 1

it takes 100 hrs to make 100 chairs

OR

100 Carpenters
------------------------
100 chairs

Answer 2

5×5/5=100×D/100
25/5=100D/100
D=100×25/5×100
D=5

Hence the answer will be 5