Question

Adrienne answered all 21 multiple choice questions correctly on her science test, if her teacher decides to let one of the questions count as a bonus,with the same number of points as the other problems on the test,what was Adrienne's score write your answer as a decimal and as a percent.

Answer 1

Since there are 21 questions and one is extra credit, the fraction is 21/20. Divide it to get 1.05. In percent, this is 105%. Hope this helps!