A supply of food lasts 12 people 5 days.

A) how long will it last for 1 person?
B) how long will it last for 20 people?

****i have the answers for this. The answer to a is 60 and the answer to b is 3. I just can't figure out how that works out. I need some help with the logic of this please.

1 answer

Think of it as money.

Suppose 12 friends have $5 each
how much total money would there be ? ...... $60
So if one person would get all that money, how much would he/she get? ..... $60
If you had to share all the money with 20 people, how much would each get ? ..... 60/20 = $3

What operations did we do?
Now instead of money we have food, ....