you would have a 94
15/48 = 5/16
15% of $48 = 0.15 x $48= $7.2
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%
48 = 300 1____x If it takes 1 minute to grade 48 then it will take "x" amount of minutes to grade 300. The first fraction has to equal the second fraction when they are cross multiplied together. 1 times 300 has to equal 48x. Divide both by 48 and you will get x = 6.25 minutes (6 and a quarter minutes) which equates to six minutes 15 seconds.
That would be a grade between 86% and 87%.
65% or D
you would have a 94
Anything less than 7 is usually a failing grade.
If they all count the same, you got 87% of them right. That's a B.
15
53% or F
15/48 = 5/16
15% of $48 = 0.15 x $48= $7.2
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%
48
48 = 300 1____x If it takes 1 minute to grade 48 then it will take "x" amount of minutes to grade 300. The first fraction has to equal the second fraction when they are cross multiplied together. 1 times 300 has to equal 48x. Divide both by 48 and you will get x = 6.25 minutes (6 and a quarter minutes) which equates to six minutes 15 seconds.