Answer:

Step-by-step explanation:
So, we started out with 128 ounces of milk.
Each day, Joann drinks 14 ounces of milk.
Therefore, the amount of milk left over after x days is 14 times x subtracted from 128.
Therefore, our function is:

And we're done!
Answer:
$0.84
Step-by-step explanation:
120.96/144= 0.84
It is called a ray. Which is what you described
(30/100)(90*3+50*4)
(30/100)(270+200)
(30/100)(470)
$141.00