Any one be my friend​

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Which one ? is the answer and how to find this answer

Which of these tools or constructions is used to inscribe a hexagon inside a circle?