Question

If 45 cookies will serve 25 students, how many cookies are needed for 30 students

Answer 1

So for this, we will be doing a proportion. In this case, our proportion is
`(45)/(25)=(x)/(30)`

1. Firstly, cross-multiply:
   `25x=1350`
2. Next, divide both sides by 25, and your answer will be
   `x=54`

In context, to feed 30 students you need 54 cookies.