Question

A camp has food stock for $500$ people for $70$ days . If $200$ more people join the food how long will the stock lest ?

Answer 1

No. of people

People Days

500 70

700 x

$\frac{500}{700}=\frac{x}{70}$ (Increase population)

$x=\frac{500\times 70}{700}=50$

$50$ days.