Question

320 students in a hostel had enough food for 15 days . How long will the food last if 20 students left the hostel?

Answer 1

Given
Students in case 1 (p1) =320
Time (T1) =15

Students in case 2(p2)=320-20=300

So

P1T1=P2T2

320X15=300XT2

T2=320X15/300

T2=16 DAY

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