A part of monthly hostel charges is fixe...

A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 25 days he has to pay 4500 as hostel charges whereas a student who takes B food for 30 days, pays 5200 as hostel charges. Find the fixed charges per month and the cost of food per day.

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The correct Answer is:

fixed charges = ₹ 1000, cos of food per day = ₹ 140

Let the fixed charges be ₹ x and the charges for food be ₹ y per day. Then,
` x + 25y = 4500 and x + 30 y = 5200`.

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