Each correct answer is worth 100/15 = 6.66 (recurring) %.
40 percent wrong questions. To calculate the percentage 6 divided by 15 and multiplied by 100.
70%
The Answer:This can be reformulated into 9 out of 15, or the ratio 9/15. 9/15 = 3/5 = .6 = 60%
67% take 10 and divide by 15 10/15 = .66 66 multiply by 100 for percentage .6666 * 100 = 67%
toget 80% you need .8 x 15 = 12 questions right. That means you can 15-12 = 3 questions wrong
40 percent wrong questions. To calculate the percentage 6 divided by 15 and multiplied by 100.
21%
5/15 *100 = 331/3 % (this is the percentage wrong) 10/15 *100 = 662/3 % (the percentage right)
70%
An error rate of 22.06%
% of correct answers = 60% = (15 - 6)/15 * 100% = 9/15 * 100% = 60%
The Answer:This can be reformulated into 9 out of 15, or the ratio 9/15. 9/15 = 3/5 = .6 = 60%
67% take 10 and divide by 15 10/15 = .66 66 multiply by 100 for percentage .6666 * 100 = 67%
6 ÷ 15 = .4 .4 x 100 = 40% 40% is a failing grade.
85%
percentage of 15 out of 100 = 15% = 15/100 * 100% = 15 * 1% = 15%
3/15 as a percentage is 20%