Question

12 men can do a work in 20 days, how many men would do it in 15 days?
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Answer 1

Answer:

16 men

Step-by-step explanation:

12×20/15 = 16

They are inversely proportional and we know that their product must be equal in this case.

Answer 2

Answer:

16 days

Step-by-step explanation:

------------------------

men days

-----------------------

12 20

X 15

----------------------

12:x=15:20

X=12×20/15

x=240/15

X= 16 days