Answer:
Katlyn uses more flours per cookies
Step-by-step explanation:
Katlyn's
[tex]3\frac{1}{2}[/tex] cookies ---> [tex]2\frac{1}{2}[/tex] flours
1 cookies ---> [tex]2\frac{1}{2} /[/tex] [tex]3\frac{1}{2}[/tex]
1 cookies ---> 0.71428 flours
Megan's
[tex]2\frac{11}{12}[/tex] cookies ---> [tex]1\frac{3}{4}[/tex] flours
1 cookies ---> [tex]1\frac{3}{4}[/tex] / [tex]2\frac{11}{12}[/tex]
1 cookies ---> 0.6 flours
As a result, Katlyn uses more flours per cookies.