Question

15 men's can finish the work in 40days in how many days will 20 mens finish the same piece of work

please friend step by step explain​

Answer 1

Answer:

it is inverse proportion

15 × 40 = 20 × x

20x = 600

x = 600 / 20

x = 30

Answer 2

Answer:

It is in inverse variation

15×40=20×X

20x=600

x=600/20

x=30

Hope it's help you