Answer:
it depends on the sale the store is having
Answer:
1-3.6
2-4.1
3-3.2
4-5.8
5-12.7
Step-by-step explanation:
The formula is y= k x where k is the constant of variation, so plug a coordinate in the formula to find value of k, lets get (3,12) you have 12 = 3k, then k = 4, if you get (9,36) then you have 36 = 9k where k = 4