Question

A family of 16 had enough food to last them for 20 days. If 4 guest arrived suddenly for how long will the amount of food last.​

Answer 1

Let the members=16

And,

The maximum day of enough food =20

"" "" "" """. 1 day of enough food =20/16

=10/8

=5/4

=1.25

Now if 4 guest come

so the members=16+4=20

The day in which food will be enough =20/1.25

20*100/125

2000/125

80/5

16 days is the answer mate