If i miss 8 questions out of 58 what is my grade

50/58

= 8620

Divide.

8620 * 100

= 862

Multiply by 100.

Put a decimal 2 places to the right.

86.2%

You're grade is 86.2%

If you miss 8 out of 58 then that means you got a score of 50/58, so then you divide when you got out of the total (50/58) which comes out to be 0.8620. To turn it into a percent, you multiply by 100 to get 86.20%, which is a mid B.