Question

Vol EXERCISE 6.3
1. 12 men can repair a road in 28 days, how long will 84 men take to do so?​

Answer 1

4 days.

Step-by-step explanation:

Proportions:

12 men ⇒ 28 days

84 men ⇒ A days

A = 12*28/84

A = 4 days

Answer 2

4 days

Step-by-step explanation:

if 12 men can repair a road in 28 days

84 men can do it in four

84÷12=7

28÷7=4days