The ratio of t to u is 1 to 2, and . What is the value of u ?

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Accepted Answer

Choice D is correct. It&rsquo;s given that the ratio of t to u is 1 to 2. Since , it follows that the ratio of 10 to u is also 1 to 2. The relationship between these ratios can be represented by the proportion . Multiplying both sides of this equation by 2 and then by u yields . Choice A is incorrect. This is the value of u when . Choice B is incorrect. This would be the value of u if the ratio of t to u were 2 to 1. Choice C is incorrect. This is the value of t , not u .

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