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13 Mar 2025, 10:44
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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:
25%
(medium)
Question Stats:
80% (00:29) correct
20% (00:51) wrong based on 5 sessions
History
Date
Time
Result
Not Attempted Yet
What is a divided by a% of a?
A. \(\frac{a}{100}\)
B. \(\frac{100}{a}\)
C. \(\frac{a^2}{100}\)
D. \(\frac{100}{a^2}\)
E. \(100a\)
A. \(\frac{a}{100}\)
B. \(\frac{100}{a}\)
C. \(\frac{a^2}{100}\)
D. \(\frac{100}{a^2}\)
E. \(100a\)
15 Mar 2025, 02:25
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OE
Replace a by a number, and use 100 since the problem involves percents. 100 ÷ (100% of 100) = 100 ÷ 100 = 1.
Test each choice; which ones equal 1 when a = 100. Both A and B: \(\frac{100}{100}= 1.\)
Eliminate Choices C, D, and E, and test A and B with another value for a.
50 ÷ (50% of 50) = 50 ÷ (25) = 2
Now, only B works \((\frac{100}{50}=2,\) whereas \(\frac{50}{100} =\frac{1}{2})\)
Answer: B
Replace a by a number, and use 100 since the problem involves percents. 100 ÷ (100% of 100) = 100 ÷ 100 = 1.
Test each choice; which ones equal 1 when a = 100. Both A and B: \(\frac{100}{100}= 1.\)
Eliminate Choices C, D, and E, and test A and B with another value for a.
50 ÷ (50% of 50) = 50 ÷ (25) = 2
Now, only B works \((\frac{100}{50}=2,\) whereas \(\frac{50}{100} =\frac{1}{2})\)
Answer: B
