Question

On a 50 question test, a student answered 5 questions incorrectly. What percent did the student answer correctly?

Answer 1

If `5` questions were answered incorrectly, `45` questions were answered correctly and the percentage answered correctly is `45/50 xx 100 = 90%`

Explanation:

To find the percentage of questions answered correctly `(50` of which `5` were answered wrong so `45` were answered right), we must divide the number of correct answers by the total number of questions.

In this case that would be `45/50`.

To convert that decimal fraction to a percentage, the answer is multiplied by `100`.

`45/50 = 0.9` and `0.9 xx 100` equals `90%`.