Question

12 men can repair a bridge in 30 days. In how many days 20 men can repair the bridge

Answer 1

Answer:

50

Step-by-step explanation:

12 men can repair bridge in 30 days

1 man repair bridge in 30/12=5/2

20 men can repair bridge in 5*20/2

= 50 days

you can solve this by unitary methord

thanks for giving me chance to help you

Answer 2

Answer:

12 man can repair in = 30 days

1 man can repair in = 30/12

20 men can repair in = 30/12 × 20 = 50

Ur answrr is 50 days..

Hope this helps u!!

Thanks!!