What is the volume of this container?

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

One positive number is 9 more than twice another. if their product is 95, find the numbers

I'm confused on this could anyone me and show me what i need to do to solve it.