A camp has food stock for 500 people for 70 days. If 200 more people join the camp, how long will the stock last
A camp has food stock for 500 people for 70 days
So 500×70=35000
If 200 more People are joined
then 500+200=700 people
how long food stock last is 35000700=50
i.e; The food last for 50 days for 700 people.