SOLUTION: if the average on four exam is 84 and the score on the first 3 exams are 90, 72 and 80 what is the fourth score exam
Algebra.Com
Question 764116: if the average on four exam is 84 and the score on the first 3 exams are 90, 72 and 80 what is the fourth score exam
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If the average on four exams is 84, then the sum of all 4 scores must be 84 times 4.
John
My calculator said it, I believe it, that settles it
RELATED QUESTIONS
If you earn a score of 72% on one exam and a score of 85% on another exam, what will you... (answered by nabla)
In an algebra class a student has scores of 65, 72, and 84 on three exams. What score on... (answered by jim_thompson5910)
Katie must take five exams in a math class. If her scores on the first four exams are... (answered by vleith)
A student has scores of 73, 76, and 83 on three exams. What score is needed on a fourth... (answered by ewatrrr)
Anita earned a 74, 86, and 83 on her first three biology exams. What is the minimum score (answered by rfer)
Sarah's exam score are 73,92 and 84. What scores on the fourth exam will make her... (answered by Nate)
2) Devin has scored 73, 90, and 84 on the first three exams in his math class. If the... (answered by jorel555)
Ricardo’s scores on the first four exams in his algebra class were 66, 81, 75, and 78.... (answered by lynnlo,Alan3354)
Your average score on four exams is 82. If your professor drops the lowest exam score... (answered by Fombitz)
