Question

The Anwser please cause I do not understand just plez help

Answer 1

see explanation

Explanation:

Since he answered 3 out of a 100 incorrectly, then he answered 97 out of a 100 correctly.

Percent means out of a 100, hence 97 out of a 100 as a percent is

`(97)/(100)` = 97% = 0.97 as a decimal fraction