Question

4 workers can dig 4 holes in 4 hours, how long will it take to dig 6 holes with 2 workers

Answer 1

12 hours

Explanation:

4 workers can dig 4 holes in hours=4

1 worker ,, ,, 4 ,, ,, ,, =4×4=16

1 ,, ,, ,, 1 hole ,, ,, =16÷4=4

2 ,, ,, ,, 1 ,, ,, ,, =4÷2=2

2 ,, ,, ,, 6 holes ,, ,, =2×6=12

Answer 2

12 hours

Explanation:

each worker digs a hole and takes 4 hours doing so

2 workers dig 3 holes each, 3*4=12, 12 hours