If you get 2 wrong out of 20 then its a 90 percent
You would get a 77%. You do 14 (the amount you got right) divided by the total amount of questions (18). So 14/18 which equals 0.77777777...
That is 75%
to get a 90 you need to answer 56 questions right (6 wrong) to get an 80 you need to answer 50 right (12 wrong) to get a 70 you need to answer 44 questions right (18 wrong) to get a 60 you need to answer 38 questions right (24 wrong)
If you answered 27 correctly and 18 incorrectly, you would have answered 60% correctly.
If you get 2 wrong out of 20 then its a 90 percent
You would get a 77%. You do 14 (the amount you got right) divided by the total amount of questions (18). So 14/18 which equals 0.77777777...
Subtract, to find out how many you got right. Then divide the right answers by the total questions, and multiply by 100. Note that this assumes:That the grade is calculated as a percentage.That all questions have the same "weight" or value.
That is 75%
78% or C+
86.7% or B
You can get 18 wrong.
77.7 %
First, take 18/32, which is about .563. Then multiply by 100, which is 56.3. So the grade is about 56.3%.
to get a 90 you need to answer 56 questions right (6 wrong) to get an 80 you need to answer 50 right (12 wrong) to get a 70 you need to answer 44 questions right (18 wrong) to get a 60 you need to answer 38 questions right (24 wrong)
-3x+9y=18; find the x and y intercept of the line
oh and sorry about the spelling mistake if yoy can find it!