Screen-printing a batch of shirts requires 4 minutes per shirt in addition to 6 minutes of initial set-up time. if it takes 46 minutes to screen-print a batch of shirts, how many shirts are in the batch?

Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]