19/20 as a percentage = 100*19/20 = 95%
Answer 7 correctly.
Well it is about 20 to 30 percent (i answered it)
14.
Four questions.
Oh, dude, if 80 percent of the questions were answered correctly, that means 20 percent were wrong. So, if 5 questions were missed, that's 20 percent of the total questions. To find out how many questions were answered correctly, you just need to calculate 80 percent of the total questions. Math, man, it's like magic but with numbers.
If you got four out of twenty questions wrong, you answered 16 out of 20 questions correctly. To find the percentage of questions answered correctly, you would divide 16 by 20 and then multiply by 100. This means you answered 80% of the questions correctly.
19/20 as a percentage = 100*19/20 = 95%
Answer 7 correctly.
(18 ÷ 20) × 100 = 90 Therefore: 90%
I assume you mean the percentage of 17 out of 20. If not, then I apologize, I misunderstood. Anyway, if I assumed correctly then 17/20 is in fact 85%.
you explain how to solve this question? If there is an equation that I can use will be appreciated. 70% of students answered question A correctly, 55% of students answered question B correctly, 20% of students answered neither question correctly. What is the percentage of students answered both question A and B correctly?
20 percent
you explain how to solve this question? If there is an equation that I can use will be appreciated. 70% of students answered question A correctly, 55% of students answered question B correctly, 20% of students answered neither question correctly. What is the percentage of students answered both question A and B correctly?
Well it is about 20 to 30 percent (i answered it)
To achieve an 80 percent score on a 27-question test, you would need to answer 80% of the questions correctly. This means you can get 20% of the questions wrong. To calculate the number of questions you can miss, multiply 27 by 0.20 (20%) to get 5.4. Since you can't have a fraction of a question, you would need to round down to 5 questions. Therefore, you can miss 5 questions out of 27 to achieve an 80 percent score.
90% of 20 questions = 90*20/100 questions = 1800/100 = 18 questions.