Set 2: Linear Equations (Advanced)

Choice A is correct. Choice C is the correct answer. 1. Proportion: $\frac{1}{50} = \frac{4.5}{x}$ 2. Cross Multiply: $x = 50(4.5)$ 3. Calculate: $x = 225$ Choice D is incorrect because it results from an error in the solution process. Choice C is incorrect because it results from an error in the solution process. Choice D is incorrect because it results from an error in the solution process.