Algebra… I don’t want answers, I just want to know how to do the problem?
Suppose a patient must take a blood pressure medication that is dispensed in 125-milligram tablets. The dosageis 15 milligrams per killogram of body weight and is given every 8 hours. If the patient weighs 25 kilograms, how many tablets would be needed for a 30-day supply? Use the formula: n = 24d ÷ [8(b • 15 ÷ 125)], where n is the number of tablets, d is the number of days the the supply should last, and b is the body of the patient in kilograms.
I’ve gotten what I need, don’t waste your time answering this =) thankyou so much! =)
Tagged with: 24d • blood pressure medication • kilograms • medication • milligram • milligrams • thankyou
Filed under: how to lower blood pressure
You are given the formula, so you can just "plug in" the values and solve for n:
n = 24d ÷ [8(b • 15 ÷ 125)]
d = 30 days (that the supply should last)
b = 25 kilograms (body weight of the patient in kg)
n = 24(30) ÷ [8(25 • 15 ÷ 125)]
I think you can take it from here…
If you want to know how the formula works, here’s the full explanation.
First we figure out the total required dosage. It is 15 mg per kilogram. 15 x 25 = 375 mg required.
Since each tablet is 125 mg we need to divide to get the total number of tablets to take each time. 375 / 125 = 3 tablets.
Here they get a little tricky, but basically there are 24 hours in a day, and you take the medication every 8 hours. 24 / 8 = 3 so you need 3 doses a day. 3 tablets x 3 doses a day = 9 doses a day. And for 30 days… well, that last multiplication should be easy.
P.S. I’m actually reviewing the formula, and I’m puzzled by their formula. Plugging in the values you actually come out with 30 tablets for 30 days… but the correct answer should be 270 tablets for 30 days.
Use the formula given:
n = 24d ÷ [8(b • 15 ÷ 125)]
n= what you are solving for
d= number of days the supply should last ("30-day supply")
b= body of the patient in kilograms ("if the patient weighs 25 kilograms")
Simply plug in the numbers and you have your answer….
n = 24(30) ÷ [8((25) • 15 ÷ 125)]
They have given you more information than you need… you just need to know what you are looking for. Good luck!