From January 1 to June 30th, Bob worked every 2nd day and Tom worked every 7th day. What days did they meet? How many days have each of them worked all together? Show your work.

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]