Set 2: Ratios Rates Proportions (Beginner)

**Choice C is the best answer.** x/y = 5/4. 30/y = 5/4. y = 30 times 4/5 = 24

Explanation

Answer: C

PROBLEM

If x:y = 5:4 and x = 30, find y.

✓ Correct

Detailed Explanation

Choice C is the best answer. x/y = 5/4. 30/y = 5/4. y = 30 times 4/5 = 24

Why others are wrong:

A: 12 is incorrect because it does not satisfy the equation.

B: 26 is incorrect because it does not satisfy the equation.

D: 21 is incorrect because it does not satisfy the equation.