Question

rs 3200 is spent on 20 students for 30 days . If rs 2400 is spent on 30 students then how many days are needed

Answer 1

Given, 3200 is spent on 20 students for 30 days. It can be written as

      = 3200/30 * 20
 
      = 16/3

And 2400rs spent on 30 students. The number of days be x.


 16/3 = 2400/x * 30

  16 = 2400/10x

   x = 15.


Hope this helps!