Choose the number below that fits into the following number sets

In the first step we will convert
[tex]2^2[/tex]to 4.
In step 2 we will divide 60 by 4 i.e.
[tex]\frac{60}{4}=15[/tex]In step 3 we will multiply the result of step 2 with 3
[tex]15\times3=45[/tex]