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Mathematics, 20.09.2019 00:40 Lia1love

In a school hostel, there is enough food for 30 days. after 10 days, 40 students left the hostel and 100 more students join the hostel. how long will the food last?

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In a school hostel, there is enough food for 30 days. after 10 days, 40 students left the hostel and...
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