SOLUTION: 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.

Algebra.Com
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.

Compare with the lesson
    - Rate of work problems
in this site.


Answer by josgarithmetic(39625)   (Show Source): You can put this solution on YOUR website!
Note that in both situations, price per student per day is Rs 7.5.
RELATED QUESTIONS

the hostel charges is Rs6300 for 35 boys for 24 days. in how many days will the hostel... (answered by josgarithmetic)
please solve this problem: A part of monthly hostel charges is fixed and the remaining... (answered by stanbon)
240 students in a hostel had a provision for 30 days. After somedays 80 more students... (answered by stanbon)
In a hostel there are 200 students food last for 50 days . After 20 days 50 Student left (answered by josgarithmetic,MathTherapy)
A hostel had provisions for 250 men for 40 days.If 50 men left the hostel, how long will... (answered by Cromlix)
in a hostel it costs Rs.1800 to keep 50 children for 8 weeks. for what length of time did (answered by LinnW)
A labourer is engaged for 20 days on the condition that he will receive for Rs. 60 for... (answered by ankor@dixie-net.com)
A labourer is engaged for 20 days on the condition that he will receive Rs 60 for each... (answered by Earlsdon)
a labourer is engaged for 20 days on the condition that he will receive rs 120 for each... (answered by josgarithmetic,MathTherapy)