Question

a school hostel withe 40 children enough provision to last 15 days if 10 more children move into the hostel how many provision lost now

Answer 1

40:15::50:x
product of means is equal to product of extremes
40x=750
x=750/40
x=18.75
x=17
2 days of provision lost

Answer 2

Answer:

12 is the Answer and it is inverse proportion