The wholesale cost of a fleece shirt that sell for $20.00 is $12.50. what percent profit is being made

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

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]

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start