Question

there are 100 students in the hostel food provision fro them is for 20 days how long will these provision last if 25 more students join the group.

Answer 1

for 100 students it lasts for 20 days
hundred +25=125 students it lasts for x days..
100/125=x/20
x=100×20/125=16 days..
the provision will last for 16 days..

Answer 2

16 days long will the provision last if 25 more students join the group.

Step-by-step explanation:

Given that,

Number of students = 100

No. of days = 20

Food provision = 100 * 20

If 25 students join, the total number of students = 100 + 25 = 125

Let no. of days = x

Food provision = 125 * x

So,

100 * 20  = 125 * x

2000  = 125x

2000/125 = x

x = 16

∵ Therefore, the provision will last for 16days if 25 more students are added.

Learn more: find the number of students

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