Question 1115291: The hostel charges is Rs.6300 for 35 students for 24 days. in how many days will the hostel charges Rs.3375 for 25 students. Found 2 solutions by ikleyn, josgarithmetic:Answer by ikleyn(52855) (Show Source):
You can put this solution on YOUR website! .
The hostel charges Rs.6300 for 35 students for 24 days.
In how many days will the hostel charge Rs.3375 for 25 students.
~~~~~~~~~~~~~~~~~
= .
This proportion says that the rate for one student per day is the same for both situations.
From the proportion, the number of days x is
x = = 18.
Answer. 18 days.
Solved.
=============
Why this approach is good ? - Because you write the proportion AUTOMATICALLY.
You do not need to think, and doing in this way, you will never make a mistake.