How many cups of flour are needed to make 60 cookies.
[tex]60 \times 3 \div 24[/tex]
[tex] \frac{5 \times 3}{2} [/tex]
[tex] = \frac{15}{2} [/tex]
[tex] = 7 \frac{1}{2} or[/tex] [tex]\boxed{\sf{7.5}}[/tex]
[tex]\large\boxed{\sf{Answer= Option\: C}}[/tex]
Therefore, 7.5 cups of flour are required to make 60 cookies.