90% of 20 questions = 90*20/100 questions = 1800/100 = 18 questions.
Chat with our AI personalities
You can get 5 out of 50 questions wrong to get 90%.
190% of 20 = 38
.2 * 90 = 18
(18 ÷ 20) × 100 = 90 Therefore: 90%
18 dollars 90 * (20/100) = 90 * 0.2 = 18