Answer:
4 days.
Step-by-step explanation:
Proportions:
12 men ⇒ 28 days
84 men ⇒ A days
A = 12*28/84
A = 4 days
4 days
if 12 men can repair a road in 28 days
84 men can do it in four
84÷12=7
28÷7=4days
4.4m questions
5.6m answers