There are a total of
[tex]60(12)=720[/tex]cookies in 60 dozen eggs. WE can find out how many eggs we need by the rule of three:
[tex]\begin{gathered} 3\rightarrow1000 \\ x\rightarrow720 \end{gathered}[/tex]Then we need:
[tex]\begin{gathered} x=\frac{720\cdot3}{1000} \\ =\frac{2160}{1000} \\ =\frac{216}{100} \\ =\frac{108}{50} \\ =\frac{54}{25} \\ =2.16 \end{gathered}[/tex]Therefore, we need 2.16 eggs for 60 dozen cookies.
To find out how many