Kylie has $70 to spend on clothes. she wants to buy a pair of jeans for $ 30 and spend the rest on t-shirts. each t-shirt cost $8. which inequality represents the number of t-shirts she can purchase?

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]