A swim teacher sells lesson packages. The best deal has the highest ratio of lessons to total cost. Swim Lesson Packages
Number of
Total Cost
Lessons
1
$10
5
$40
10
$80
15
$80
Which package is the best deal?
0 1 lesson for $10
5 lessons for $40
10 lessons for $80
ОО
O 15 lessons for $80