How do I find the inserting the missing values? at the rows? How can I Write the rule ,in terms of s and t, to show how t is related to s?

Find: the missing value in the table
Expalantion: i)
[tex]52[/tex][tex]1+\frac{3}{4}\times52[/tex][tex]40[/tex]ii)
[tex]\begin{gathered} 1+(\frac{3}{4}\times x)=55 \\ x=\frac{54\times4}{3} \\ x=72 \end{gathered}[/tex]so the answer of second part will be
[tex]72[/tex][tex]1+(\frac{3}{4}\times72)[/tex]