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Re: y % of an unknown number is y . If that unknown number is
[#permalink]
23 Feb 2020, 06:40
1
Asif123 wrote:
y% of an unknown number is y. If that unknown number is x. What is x% of x ? A. 100 B. 10 C. 1000 D. 10000 E. 1
GIVEN: y% of x is y In other words: y/100 of x = y In other words: (y/100)(x) = y Multiply both sides by 100 to get: xy = 100y Divide both sides by y to get: x = 100
QUESTION: What is x% of x? In other words: x/100 of x = ? In other words: 100/100 of 100 = ? In other words: (1)(100) = 100
Answer: A
Cheers, Brent
gmatclubot
Re: y % of an unknown number is y . If that unknown number is [#permalink]