Question

There are 150 students in a hostel. Food provision for them is for 30 days. If 30 more students join the hostel, then the provision last for​

Answer 1

Answer:

First( 100 students)×(20days)= total food eaten.—(1)

Now there are 100+25 students.

So, (125 students)×(x days)= total food eaten.—(2)

From 1 and 2

(125 students)×(x days)= ( 100 students)×(20days)

x days = {( 100 students)×(20days)}/125 students

x days = (4×20)/5= 4×4= 16.

Hence total days = 16.

Answer 2

Answer:

25 days

Step-by-step explanation:

150 students = 30 days

150+30=180

180 students = x days

using indirect variation formula

x= 150×30/180

=25 days.

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