A music teacher sells piano lesson packages.

Piano Lesson Packages
Total Cost
Number of Lessons
$90
10
$160
20
$80
10
$120
20

Which package has the lowest ratio of cost to number of lessons?

$120-20 is the lowest or cheapest

Step-by-step explanation:

$90-10 is $9 per lesson or 1/9

$160-20 is $8 per lesson or 2/16-1/8

$80-10 is $8 per lesson or 1/8

$120-20 is $10 er lesson or 2/12-1/6

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24