A part of monthly hostel charges in a school 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 22 days, he has to pay Rs. 4250 as hostel charges whereas a student,
who takes food for 28 days, pays Rs. 5150 as hostel charges. Find the fixed
charges and the cost of food per day. (use elimination method)
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Answer done by elimination method
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