Question

) Madelyn baked 18 cookies with 3 scoops of flour. How many scoops of flour does Madelyn need in order to bake 24 cookies? Solve using unit rates.

Answer 1

4 scoops

Explanation:

Madelyn baked 18 cookies with 3 scoops of flour.

First, find the unit rate.

`\begin{gathered} 18\text{ cookies requires 3 scoops of flour.} \\ \implies1\text{ cookie will require }(3)/(18)\text{ scoops.} \end{gathered}`

Therefore:

`24\text{ cookies will require }24*(3)/(18)=4\text{ scoops}`

Madelyn needs 4 scoops in order to bake 24 cookies.