# In a camp, there is enough flour for 300 persons for 42 days. How long will the flour last if 20 more persons join the camp?

For 300 persons flour is enough for 42 days.

For 1 person’s flour enough = 300 × 42 = 1260days.

Now, 20more persons join the camp.

SO, total persons = 300 + 20 = 320

for 320 persons flour enough = days

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