9

Set 12: Linear Equations (Intermediate)

Explanation

Answer: B

If 0.02x=402x = 4, what is the value of xx?

A.

8

B.

200

✓ Correct
C.

0.08

D.

20

Detailed Explanation

Choice B is correct. Choice B is the correct answer. 1. Divide by 0.02: x=200x = 200 2. Verify: 0.02(200)=40.02(200) = 4 ✓ Choice D is incorrect because it results from an error in the solution process. Choice B 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.

Key Steps:

The correct answer is 200

Why others are wrong:
A: Choice A is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.

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