Question

2 people plough a field in 6 hours how long does it take 3 people to plough

Answer 1

if 2 people take 6 hours
1 people will take 2×6hours
therefore 3 people will take 2×6/3=12/3=4hours
Hope it helps

Answer 2

2 people take 6 hours to plough field
3 people take how many hours to plough ?

This is in inverse proportion as one quantity increases another quantity decreases

Formula is X1Y1 = X2Y2
= 2×6 = 3×Y2
= 12 = 3×Y2
= Y2 = 12/3
= Y2 = 4
Therefore it takes 4 hours to plough the field

HOPE IT HELPS YOU