Answer:25≤x≤35
Step-by-step explanation: This statement means that the person can take more than or 25 mg or the can take less 35 or exactly 35 mg.
Judging by the question I noticed that the two both share x^3 in common. You can divide x^4 by x^3 and get x as a result, and x^3 can still divide into itself.
Thus your answer should be C, x^3
Divide total price by gallons:
82.15 / 31 = 2.65 for 1 gallon