Wouldn't it just be 300 kilometers per hour as the answer?
Well, if we divide 3.22 by 14 we get 0.23
0.23 +0.15 is 0.38
the answer would be $0.38
The recursive definition for the amount of the blood pressure medicine in hareem bloodstream after n hours would be 
Hence, option B is correct.
<h3>What is the recursive rule?</h3>
A rule is defined such that its definition includes itself.
Example:
F(x) = F(x-1) + c
is one such recursive rule.
Hareem takes medicine to control his blood pressure.
he takes a 25 mg pill in the morning.
Suppose that 60% of the medicine is processed by hareem's body by the time he takes a second 25 mg pill in the evening.
So, the recursive definition for the amount of the blood pressure medicine in hareem bloodstream after n hours would be;

Hence, option B is correct.
Learn more about the recursive rule here:
brainly.com/question/12620593
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Six point eight four.
(Note, you don't say, "Six point eighty-four" As it doesn't sound correct.
Cheers.
6*100 = 600
600 + 38 = 638
therefore the answer is:
638/100
however this is an improper decimal.