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A Food and Drug lab has two new samples: a 240-gram cup of drip coffee, which contains 124 mg of caffeine, and a 60-gram

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by M7MBA » Fri Jun 05, 2020 8:04 am
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A Food and Drug lab has two new samples: a 240-gram cup of drip coffee, which contains 124 mg of caffeine, and a 60-gram cup of espresso, containing 160 mg of caffeine. If a technician were to create a new 120-gram cup sample that contained 50% coffee and 50% espresso, how many mg of caffeine would the new drink contain?

A. 111
B. 121
C. 142
D. 191
E. 382

[spoiler]OA=D[/spoiler]

Source: GMAT Club Tests
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