You can get 20 questions wrong.
100 divided by 5 is 20. 100 minus 20 is 80. The answer is 1.
17 percent wrong, 83 percent right.
five
90% of 20 questions = 90*20/100 questions = 1800/100 = 18 questions.
percentage of 10 wrong out of 36 questions = 27.78%= 10/36 * 100%= 0.2778 * 100%= 27.78%
30
20
100 divided by 5 is 20. 100 minus 20 is 80. The answer is 1.
17 percent wrong, 83 percent right.
30/100*25 =7.5 so you must not get more than 7 questions wrong to score 70%
You can get at most 20% wrong. 20% of 16 is 16*20/100 = 3.2 Since you cannot get 0.2 questions wrong, the maximum possible is 3 questions.
100/9 = 11.11 %
100*4/22 = 18.1818... (recurring) % wrong.
10 is the answer,because 100 - 80 = 20 divide that by 2 and you get the answer. 50 - 40 = 10
93.85% (61/65,*100)
80%=80/100 80/100 x 50 questions = 40 correct answers. therefore 50 - 40 = 10 incorrect answers.
40 percent wrong questions. To calculate the percentage 6 divided by 15 and multiplied by 100.