1,800% The result of increasing^- the quantity x^- by is 684. What is the value of x?
Correct answer: D (parsed from the explanation — this source omits an answer key for this item)
Explanation
Choice D is correct. It’s given that the result of increasing the quantity x by 1,800% 684 + 1,800 =684 is . It follows that x b 100 lx , which is equivalent to +18 =684 19 =684 19 x x , or x . Dividing each side of this equation by yields =36 36 x . Therefore, the value of x is . 12,996 1,800% Choice A is incorrect. The result of increasing the quantity by is 246,924 684 , not . Choice B is incorrect. The result of increasing the quantity 12,312 1,800% 233,928 684 by is , not . Choice C is incorrect. The result of 38 1,800% 722 684 increasing the quantity by is , not . 38 SAT PRACTICE TEST #10 ANSWER EXPLANATIONS SAT ANSWER EXPLANATIONS n MATH: MODULE 1
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