EasyMath· Problem-Solving and Data Analysis· Ratios, rates, proportional relationships, and units· MCQ
The ratio of t to u is 1 to 2, and . What is the value of u ?
A
2
B
5
C
10
D
20
Correct answer: D
Explanation
Choice D is correct. It’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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id cb_question_bank:319d9469-8308-4073-b7aa-4f25e5a8394b · question 6310adbc · IBN 029014-DC
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