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Can you explain the answer of this question below:
In hostel of 50 girls,there are food provisions for 40 days .If 30 more girls join hostle, how long will these provisions last?
A: 
35 days
B: 
30 days
C: 
25 days
D: 
20 days
The answer is c.
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Can you explain the answer of this question below:In hostel of 50 girl...
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Can you explain the answer of this question below:In hostel of 50 girl...
Given:
- Number of girls in the hostel: 50
- Provisions available for: 40 days

Calculation:
Let's first calculate the total provisions available for 50 girls for 1 day. We can do this by dividing the total provisions by the number of days:
Total provisions available = 50 girls * 40 days = 2000 girl-days

Now, let's calculate the total provisions available for 80 girls (50 existing + 30 new) for 1 day:
Total provisions available = 80 girls * x days

Since the total provisions available for both scenarios (50 girls and 80 girls) are equal, we can set up the following equation:
2000 girl-days = 80 girls * x days

To find the value of x, we can rearrange the equation:
x days = 2000 girl-days / 80 girls

Simplifying, we get:
x days = 25 girl-days/girl

Answer:
Therefore, the provisions will last for 25 days when 30 more girls join the hostel. Hence, the correct answer is option C: 25 days.
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Can you explain the answer of this question below:In hostel of 50 girls,there are food provisions for 40 days .If 30 more girls join hostle, how long will these provisions last?A:35 daysB:30 daysC:25 daysD:20 daysThe answer is c.
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