There are 100 students in a hostel. Food provision for them is for 20 days. After 8 days 20 new students entered into the hostel. How long will this provision last now?
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Answer:
10 days
Step-by-step explanation:
Students | Food
100 | 12
120 | x
It varies inversely
100*12=120x
100*12/120=x
x=10
∴The food will last for 10 days
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