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A part of monthly hostel charges in a co...

A part of monthly hostel charges in a colege are fixed and the remaining depend on the number of days one has taken food in the mess. When a student A takes food for 15 days, he has to pay Rs 1200 as hostel charges whereas a student B, who takes food for 24 days, pays Rs 1560 as hostel charges. Find the fixed charges and the cost of food per day.

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The correct Answer is:
The fixed charge per student is Rs 1,000
Cost of food per day is Rs 140.
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