SOLUTION: A certain antihistamine is often prescribed for allergies. A typical dose for a 100-pound person is 19 mg every six hours. Complete parts a and b below. a. Following this dosage

Question 1125016: A certain antihistamine is often prescribed for allergies. A typical dose for a 100-pound person is 19 mg every six hours. Complete parts a and b below.
a. Following this dosage, how many 13.5 mg chewable tablets would be taken in a week?
B. This antihistamine also comes in a liquid form with a concentration of 13.5 mg/8 mL. Following the prescribed dosage, how much liquid antihistamine should a 100-pound person take in a week?
Answers:
a. A 100-pound person could take 39 tablets in a week.
b. A 100-pound person could take 315 mL in a week.
can you help me figure out how to get these answers written out :) thanks!
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
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A certain antihistamine is often prescribed for allergies. A typical dose for a 100-pound person is 19 mg every six hours. Complete parts a and b below.
a. Following this dosage, how many 13.5 mg chewable tablets would be taken in a week?
B. This antihistamine also comes in a liquid form with a concentration of 13.5 mg/8 mL. Following the prescribed dosage, how much liquid antihistamine should a 100-pound person take in a week?
--------

(a)

------for 1 week.
How many of 13.5 mg doses is equivalent?
--------close enough to 39
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Part a.

19mg every 6 hours
times 4 = 76mg every 24 hours (every day)
times 7 = 532mg per week

532mg / 13.5mg per tablet = 39.4 tablets per week

ANSWER part a: 39 13.5mg tablets in a week

Part b.

39.4 13.5mg doses per week (from part a), times 8ml per 13.5mg dose (from part b):
39.4*8 = 315.2ml

ANSWER part b: 315ml in a week
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