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what is the minimum amount of caffeine, in milligrams

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Joined: 07 Jun 2014
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GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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what is the minimum amount of caffeine, in milligrams [#permalink] New post 18 Jan 2016, 01:57
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57% (01:38) correct 42% (01:06) wrong based on 14 sessions
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#GREpracticequestion Approximately what is the minimum amount of caffeine.jpg
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Approximately what is the minimum amount of caffeine, in milligrams, consumed per day by a person who daily drinks two 10-ounce mugs of percolated coffee and one 12-ounce cup of a caffeinated soft drink?

A 230
B 190
C 140
D 110
E 70

Practice Questions
Question: 19
Page: 334
Difficulty: medium
[Reveal] Spoiler: OA

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GRE Prep Club Legend
GRE Prep Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4857
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 111

Kudos [?]: 1854 [0], given: 397

Re: what is the minimum amount of caffeine, in milligrams [#permalink] New post 18 Jan 2016, 04:13
Expert's post
Solution

According to the bar graph, the minimum amount of caffeine in a 5-ounce cup of percolated coffee is approximately 40 milligrams. Therefore, the minimum
amount of caffeine in two 10-ounce cups of percolated coffee, which is the same as the minimum amount of caffeine in four 5-ounce cups, is approximately
(40)(4), or 160 milligrams. The minimum amount of caffeine in a 12-ounce caffeinated soft drink is approximately 30 milligrams. So, the minimum amount
of caffeine in two 10-ounce mugs of percolated coffee and one 12-ounce caffeinated soft drink is approximately 160+30, or 190 milligrams. The correct
answer is Choice B.
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Sandy
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