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

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3