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18 Mar 2025, 08:26
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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:
15%
(low)
Question Stats:
88% (00:22) correct
11% (01:32) wrong based on 9 sessions
History
Date
Time
Result
Not Attempted Yet
If x% of y is 10, what is y?
A. \(\frac{10}{x}\)
B. \(\frac{100}{x}\)
C. \(\frac{1000}{x}\)
D. \(\frac{x}{100}\)
E. \(\frac{x}{10}\)
A. \(\frac{10}{x}\)
B. \(\frac{100}{x}\)
C. \(\frac{1000}{x}\)
D. \(\frac{x}{100}\)
E. \(\frac{x}{10}\)
23 Mar 2025, 11:15
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OE
Pick easy-to-use numbers. Since 100% of 10 is 10, let x = 100 and y = 10. When x = 100, Choices C and E are each 10. Eliminate Choices A, B, and D, and try some other numbers: 50% of 20 is 10. Of Choices C and E, only C = 20 when x = 50.
Answer: C
Pick easy-to-use numbers. Since 100% of 10 is 10, let x = 100 and y = 10. When x = 100, Choices C and E are each 10. Eliminate Choices A, B, and D, and try some other numbers: 50% of 20 is 10. Of Choices C and E, only C = 20 when x = 50.
Answer: C
