Mr. Patrick teaches math to 1515 students. He was grading tests and found that when he graded everyone's test except Payton's, t
he average grade for the class was 8080. After he graded Payton's test, the test average became 8181. What was Payton's score on the test?
1 answer:
Given:
15 students
average grade: 80 for 14 students
average grade: 81 for 15 students
80 * 14 = 1120
81 * 15 = 1215
1215 - 1120 = 95
Payton's score on the test is 95.
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hope this helped!
100$ because the income you have to earn is 400$, right? If so then 100 * 4 give you 400.
