Question

14 workers can dig 9 m long trench in one day. How many workers would dig 27 m long trench of the same type in 1 day?​

Answer 1

Step-by-step explanation:

14 workers can dig 9m long treach in 1 day

so one worker can dig the same treach in 14 days

Now if 1 worker takes 14 days to dig 9m treach

so to dig 1m treach it takes. = 14×9 days

1 worker take to dig 27 m it takes. = 14×3 days

now to complete the work in 1 days

the number of worker needed is 14×3. =42

so the answer is 42