100 students in a hostel had enough food for 22 days .after 2 days, 10 more students joined the hostel. how long the food last
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Step-by-step explanation:
2 days after ,remaining food for 20 days for 100 student
100 student consume the food for 20 days
110 student consume the food for 20×100/110days
=200/11days=18 purno2/11days
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