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23 Oct 2025, 12:39
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
66% (02:23) correct
33% (03:02) wrong based on 9 sessions
History
Date
Time
Result
Not Attempted Yet
The following table shows the vitamin content for three elements—iron, calcium, and zinc—contained in three different vitamin tablets. All units are in milligrams.
A person wants to consume at least 120 mg but no more that 150 mg of each of the three elements. Which combination of tablets, considered individually, satisfy this requirement?
Indicate all that apply.
A. two of Tablet X and two of Tablet Z
B. six of Tablet Y
C. three of Tablet Y and three of Tablet Z
D. one of Tablet X, four of Tablet Y, and one of Tablet Z
A person wants to consume at least 120 mg but no more that 150 mg of each of the three elements. Which combination of tablets, considered individually, satisfy this requirement?
Indicate all that apply.
A. two of Tablet X and two of Tablet Z
B. six of Tablet Y
C. three of Tablet Y and three of Tablet Z
D. one of Tablet X, four of Tablet Y, and one of Tablet Z
27 Oct 2025, 09:02
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Official Explanation
Combination (A) has insufficient zinc. Combination (B) contains either 120 or 150 milligrams of each element, as desired. Combination (C) has too much iron. Combination (D) contains too much calcium. Only (B) works.
Answer: B
Combination (A) has insufficient zinc. Combination (B) contains either 120 or 150 milligrams of each element, as desired. Combination (C) has too much iron. Combination (D) contains too much calcium. Only (B) works.
Answer: B
