See the attached picture.
Answer:
225
Step-by-step explanation:
75/100×300=225
Divide both sides by
:

If
, then

and more generally, for any integer
,

Sunscreen A will likely last longer than Sunscreen B since the IQR is larger for A than B (the Boxed portion) therefore it's likely to be more reliable.
The answer is A, because function 2 is defined by y=(5/8)x-3, as function 1 is defined by y=(3/4)x+1, meaning that function 1 has both a greater rate of change and a greater y-intercept.
Answer: A.