Question

solve the following
there are 72 student in hostel food provision for them is for 10 day. how long will these priovison last if 25 more student join the group​ ?
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Answer 1

Answer:

7 days

Step-by-step explanation:

This is an example of indirect proportion. So,

x1 = 72 y1 = 10

x2 = 97 y2 = a

x1y1 = x2y2

72 × 10 = 97a

a = 720/97

a = 7.4 (approx 7 days)