Multiple choice general knowledge math & puzzles The ratio 5:4 expressed as a percent equals 125% 12.5% 80% 10% Reveal answer Fill a bubble to check yourself A Correct answer Explanation To convert a ratio or fraction to a percentage, multiply by 100. (5 / 4) * 100 = 1.25 * 100 = 125%. 80% is the inverse ratio (4:5), and 12.5% is a decimal placement error.