Set 5: Ratios Rates Proportions (Intermediate)

**Choice C is the best answer.** Cross multiply: 8x = 7 times 40 = 280. x = 35

Explanation

Answer: C

PROBLEM

Solve: 8/7 = 40/x. Find x.

✓ Correct

Detailed Explanation

Choice C is the best answer. Cross multiply: 8x = 7 times 40 = 280. x = 35

Why others are wrong:

A: 37 is incorrect because it does not satisfy the equation.

B: 36 is incorrect because it does not satisfy the equation.

D: 70 is incorrect because it does not satisfy the equation.