need help with the problem.

a school principal of 790 students needs to determine what percent of students passed and did not pass a state wide examination.Round to the nearest percent.

a. if 570 students pass the exam, what percent passed the test?

B. what percent didn't pass the test?​

need help with the problema school principal of 790 students needs to determine what percent of students passed and did not pass a state wide examinationRound t class=