73 questions on the test, all worth the same credit. Score 79% means you got -- 58 correct (79.452%) -- 15 wrong (20.548%)
67% or D+
32 questions total 15 wrong number right / total= 32-15=17 so.... 17/32 = 0.53125 mulitply it by 100%= about 53% YOU GOT 53%
40% were wrong.
toget 80% you need .8 x 15 = 12 questions right. That means you can 15-12 = 3 questions wrong
81.25%.
-12
93%
You can get at most 22 questions wrong, otherwise you will score less than 70 %. To get 70% right you can get 100 % - 70 % = 30 % wrong 30% of 75 = 30/100 x 75 = 22.5 I assume you can't get 1/2 a question wrong, so you can get at most 22 questions wrong otherwise you will score less than 70 %.
40 percent wrong questions. To calculate the percentage 6 divided by 15 and multiplied by 100.
80% B
8 out of 15 is less than 55%