Answer:
[tex]3 \frac{3}{4} \: teaspoons \: of \: cinnamon[/tex]
Step-by-step explanation:
A dozen of oatmeal cookies= 12 oatmeal cookies
For 1.5 teaspoons of cinnamon,
total number of cookies
= 2(12)
= 24
24 cookies ----- 1.5 teaspoons
1 cookie ----- 1.5 ÷24= 0.0625 teaspoons
60 cookies ----- 0.0625(60)= 3.75 teaspoons