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Mathematics, 02.08.2021 14:00 Hatter6998
f) 60 students in a hostel have food enough for 30 days. If 20 more students join the hostel after 10 days, how long will the remaining food last?
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f) 60 students in a hostel have food enough for 30 days. If 20 more students join the hostel after 1...
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