Question

hostel has provision fr 50 students in 30days.If 10 more students joined. How long will the provision last?

Answer 1

so it is a case of inverse proportion
students- 50 ( 50+10 )60
provision 30 x

50 /60=x/30
50×30/60=x
25 =x


so the provision will last for 25 days for 60 students