A group 25 of students in a hostel have provision for 20 days.If 5 students left the hostel,for how long the provision last?
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- A group 25 of students in a hostel have provision for 20 days.
20
- 5 students left the hostel .
- The provision last for how much times.
According to the question,
A group 25 of students in a hostel have provision for 20 days.
5 students left the hostel .
Total number of students left in the hostel
= 25 -5
= 20
Using unitary method method,
25 student in a hostel have provision for = 20 days
For 1 student has provision for = 20/25 days
= 4/5 days
For 20 student has provision for = 4/5 × 20
➝ 4 × 4
➝ 16 days
The provision last for 16 days.
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