Can you help me with this question please?​

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

What is a graph with a never ending line called?

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package