Answer:
4 scoops
Explanation:
Madelyn baked 18 cookies with 3 scoops of flour.
First, find the unit rate.
[tex]\begin{gathered} 18\text{ cookies requires 3 scoops of flour.} \\ \implies1\text{ cookie will require }\frac{3}{18}\text{ scoops.} \end{gathered}[/tex]Therefore:
[tex]24\text{ cookies will require }24\times\frac{3}{18}=4\text{ scoops}[/tex]Madelyn needs 4 scoops in order to bake 24 cookies.
