Set 2: Ratios Rates Proportions (Beginner)

**Choice B is the best answer.** Cross multiply: 2x = 4 times 4 = 16. x = 8

Explanation

Answer: B

PROBLEM

Solve: 2/4 = 4/x. Find x.

✓ Correct

Detailed Explanation

Choice B is the best answer. Cross multiply: 2x = 4 times 4 = 16. x = 8

Why others are wrong:

A: 7 is incorrect because it does not satisfy the equation.

C: 11 is incorrect because it does not satisfy the equation.

D: 5 is incorrect because it does not satisfy the equation.