Question

4 workers build a walk in 18 days . How many more workers should be added to build it in 12 days?

Answer 1

answer is 2

Explanation:

hope it help you

Answer 2

2

Explanation:

figure it in "worker days"

4 builders times 18 days= 72 worker days

72 days/ 12= 6 workers

have 4 workers now, so you need 2 more