The result of increasing the quantity x by 400% is 60. What is the value of x ?

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Accepted Answer

Choice A is correct. It’s given that the result of increasing the quantity x by 400% is 60. This can be written as x + ( 400 ⁄ 100 )x = 60, which is equivalent to x + 4x = 60, or 5x = 60. Dividing each side of this equation by 5 yields x = 12. Therefore, the value of x is 12. Choice B is incorrect. The result of increasing the quantity 15 by 400% is 75, not 60. Choice C is incorrect. The result of increasing the quantity 240 by 400% is 1,200, not 60. Choice D is incorrect. The result of increasing the quantity 340 by 400% is 1,700, not 60.

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