Question

If 30 labours can build a wall in 9 days, how long will it take 20 labours to build the similar wall

Answer 1

Answer:

6 days.

Step-by-step explanation:

step 1- 30 : 9

           20 : a (cross multiply)

step 2- 20 x 9 / 30 = a

step 3- 6 = a

hopefully u understood! please mark me as brainliest pleasee! :)