Answers

2016-03-25T11:30:44+05:30
Total food = 75 × 30 = 2250 units

Now, they ate for 6 days ..
So food consumed = 75 × 6 = 450 units

Food left = 2250 - 450 = 1800 units

15 more students added,

Total students = 75 + 15 = 90

Number of days the food would last = Food left/Number of students
= 1800/90 = 20

So, the remaining food would last for next 20 days ;D
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