there are 120 students in a hostel. Food provision for them is for fifteen days. How long will this provision last, if 30 more students join the group
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Answer:
Total students =120
Total food = Total students× Food provision for them(days)
= 120 × 15
= 1800
30 more students joined the group
Total students will become = 120+30
=150
Food provision for them will last = Total food/ Total students
= 1800/150
= 12 days
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