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128 fluidrams = 16 fluidounces

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by sanju09 » Mon May 10, 2010 12:26 am
A hospital pharmacy charges $0.40 per fluidram of a certain medicine but allows a discount of 15 percent to Medicare patients. How much should the pharmacy charge a Medicare patient for 3 fluidounces of the medicine? (128 fluidrams = 16 fluidounces)
(A) $9.60
(B) $8.16
(C) $3.20
(D) $2.72
(E) $2.24
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by neerajkumar1_1 » Mon May 10, 2010 3:35 am
r= 0.40 $/1 fdram
=> r = .40 $/(16/128) founce
hence for 3

tot amt = 0.40 * 128 * 3 / 16
= 9.60 $
85% of tot amt = 8.16

IMO B ???
Last edited by neerajkumar1_1 on Mon May 10, 2010 5:18 am, edited 1 time in total.
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by jariff » Mon May 10, 2010 5:13 am
Hi,

3 * (128/16) * .40 * .85 = 8.16


Ans = B
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by Jeff@TargetTestPrep » Thu Dec 14, 2017 9:47 am
sanju09 wrote:A hospital pharmacy charges $0.40 per fluidram of a certain medicine but allows a discount of 15 percent to Medicare patients. How much should the pharmacy charge a Medicare patient for 3 fluidounces of the medicine? (128 fluidrams = 16 fluidounces)
(A) $9.60
(B) $8.16
(C) $3.20
(D) $2.72
(E) $2.24
We are given that a particular medicine costs $0.40/1 fluid dram. A particular Medicare patient needs 3 fluid ounces. Let's first convert 3 fluid ounces to fluid drams.

Since 128 fluid drams = 16 fluid ounces, 8 fluid drams = 1 fluid ounce.

Thus, 3 fluid ounces = 3 x 8 = 24 fluid drams.

Thus, the regular cost for 24 fluid drams is 24 x 0.4 = $9.60; however, with a 15% discount, the cost is 9.6 x 0.85 = $8.16.

Answer: B

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