Which is the best estimate of the solution to this system of equations?

How do i work this problem out using the equation a=pe^rt

Let r = 3. what is the value of r + 58?

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