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Jackie has a prescription for 100 pills to be taken, one every 8 hours

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Bunuel
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Jackie has a prescription for 100 pills to be taken, one every 8 hours [#permalink] New post  22 May 2020, 11:23
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Jackie has a prescription for 100 pills to be taken, one every 8 hours, at 7 a.m., 3 p.m., and 11 p.m. each day. If she takes the first pill at 3 p.m. on July 1, when should she take the last pill in the prescription?

A. August 1 at 11 p.m.
B. August 2 at 3 p.m.
C. August 2 at 11 p.m.
D. August 3 at 7 a.m.
E. August 3 at 3 p.m.

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Re: Jackie has a prescription for 100 pills to be taken, one every 8 hours [#permalink] New post  22 May 2020, 11:30
July have 31 days. So Jackie would had have 31*3 pills = 93 pills if he had started on 7 am on July 1 morning.
Since he skipped that pill.
He took only 92 pills in July
3 more pills on august 1
+ 3 more pills on august 2
----------------------------
92+3+3=98 pills
His other two pills will be over on 2nd prescribed time on august 3 that is 3 PM

Answer is E

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Jackie has a prescription for 100 pills to be taken, one every 8 hours [#permalink] New post  22 May 2020, 20:05
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Bunuel wrote:
Jackie has a prescription for 100 pills to be taken, one every 8 hours, at 7 a.m., 3 p.m., and 11 p.m. each day. If she takes the first pill at 3 p.m. on July 1, when should she take the last pill in the prescription?

A. August 1 at 11 p.m.
B. August 2 at 3 p.m.
C. August 2 at 11 p.m.
D. August 3 at 7 a.m.
E. August 3 at 3 p.m.

PS20408


in a given span of 24 hours total pills to be taken are 3 but for 1st day pills would be 2
so in 31 days total pills taken 2 * 1 + 3*30 ; 92
left with 8 pills ; which starting from 7 am 1st August would get over by August 3 at 3 p.m.
OPTION E
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NitishJain
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Re: Jackie has a prescription for 100 pills to be taken, one every 8 hours [#permalink] New post  23 May 2020, 17:40
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E?

July 1: 2 pills
Remaining 98 pills
3 doses per day; 98/3 = 3*32 + 2
July has 31 days; July 1 + 32 days = Till 2 Aug 98 pills are over
Remianing 2 pills: 3 Aug: 7am and 3 pm
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Re: Jackie has a prescription for 100 pills to be taken, one every 8 hours [#permalink] New post  28 Nov 2020, 14:13
Bunuel wrote:
Jackie has a prescription for 100 pills to be taken, one every 8 hours, at 7 a.m., 3 p.m., and 11 p.m. each day. If she takes the first pill at 3 p.m. on July 1, when should she take the last pill in the prescription?

A. August 1 at 11 p.m.
B. August 2 at 3 p.m.
C. August 2 at 11 p.m.
D. August 3 at 7 a.m.
E. August 3 at 3 p.m.

PS20408


100 pills, taken 3 times a day.

She took the first pill at 3 pm. The next two pills will be taken at 11 pm and 7 am respectively. Notice that at 7am she completed her first cycle of pills. Each cycle is completed at 7 am.

Since we have 1 more than a multiple of 3 (99 + 1), this must mean she finishes the 100 pills at 3 pm.

Since there are 31 days in July, she finishes her pills on August 3 at 3 pm. Answer is E.
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Re: Jackie has a prescription for 100 pills to be taken, one every 8 hours [#permalink] New post  11 Feb 2023, 12:53
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Re: Jackie has a prescription for 100 pills to be taken, one every 8 hours [#permalink]
11 Feb 2023, 12:53
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