21 is 21 % of what number?

Question

Accepted Answer

Choice D is correct. Let x represent the number that 21 is 21 % of. It follows that 21 x = 21 100 . Multiplying each side of this equation by x yields 21 = 21 x 100 . Multiplying each side of this equation by 100 yields 2,100 = 21 x . Dividing each side of this equation by 21 yields 100 = x . Therefore, 21 is 21 % of 100 . Choice A is incorrect. 21 % of 0 is 0 , not 21 . Choice B is incorrect. 21 % of 1 is 0.21 , not 21 . Choice C is incorrect. 21 % of 42 is 8.82 , not 21 .

Question 21-is-