So for this, we will be doing a proportion. In this case, our proportion is [tex] \frac{45}{25}=\frac{x}{30} [/tex]
- Firstly, cross-multiply: [tex] 25x=1350 [/tex]
- Next, divide both sides by 25, and your answer will be [tex] x=54 [/tex]
In context, to feed 30 students you need 54 cookies.
