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1
Answer:
4 weeks
Step-by-step explanation:
Given,
Total people = 1200
Food for them = 32 days
So, Quantity of food = 1200 * 32 = 38400 man-days
Till 3 weeks = 12 days,
quantity consumed = 12 * 1200 = 14400 man-days
Rest Quantity = 38400+14400 = 52800 man-days
Remaining people = 1200 + 300 = 1500
Let remaining food will sufficient for x days.
==> 14400 + 1500x = 38400
==> x = 16
The food will last for 16 days or 4 weeks.
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22
- A solid has a definite shape and volume.
- Solids in general have higher density.
- In solids, intermolecular forces are strong.
- Diffusion of a solid into another solid is extremely slow.
- Solids have high melting points.
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