Based on the graph of caffeine content in common beverages and drugs, by approximately how many milligrams does the minimum caffeine in a 5-oz cup of drip-brewed coffee exceed the maximum caffeine in a 5-oz cup of cocoa? (From the FDA graph: drip-brewed coffee ranges roughly 60–180 mg; cocoa ranges roughly 2–20 mg per 5-oz serving.)

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GRE Quantitative Reasoning QUESTION #8166

Question 1

Based on the graph of caffeine content in common beverages and drugs, by approximately how many milligrams does the minimum caffeine in a 5-oz cup of drip-brewed coffee exceed the maximum caffeine in a 5-oz cup of cocoa?

(From the FDA graph: drip-brewed coffee ranges roughly 60–180 mg; cocoa ranges roughly 2–20 mg per 5-oz serving.)

$160$ mg
$80$ mg
$60$ mg
$40$ mg✔️

Correct Answer Explanation

From the caffeine bar graph:

The minimum caffeine in drip-brewed coffee (5 oz) is approximately 60 mg.
The maximum caffeine in cocoa (5 oz) is approximately 20 mg.

Difference $= 60 - 20 = \mathbf{40}$ mg.

Answer: approximately 40 milligrams.

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