SOLUTION: A mathematics student has scores of 74, 78, and 70 on three examinations. What score is needed on the fourth exam for the student to earn an average grade of 80?
Algebra.Com
Question 963757: A mathematics student has scores of 74, 78, and 70 on three examinations. What score is needed on the fourth exam for the student to earn an average grade of 80?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Solve for T.
RELATED QUESTIONS
a student scores 82%,86% and 78% on her three exams. What score is needed on the fourth... (answered by ewatrrr,Aaniya)
A student has scores of 73, 76, and 83 on three exams. What score is needed on a fourth... (answered by ewatrrr)
a student has scores of 76,72, and 75 on three exams. what minimum score is needed on a... (answered by rfer)
A student has test scores of 72, 76, and 78 points. What must he score on the fourth exam (answered by addingup)
In an algebra class a student has scores of 65, 72, and 84 on three exams. What score on... (answered by jim_thompson5910)
If in a particular course, a student has an average score of less than 90 and not below... (answered by CubeyThePenguin)
A student has scores of 75, 79, and 81 on three government exams. What score does she... (answered by jim_thompson5910)
a student has grades on three examinations of 70,86,and 78. what must the student earn on (answered by actuary)
A student has scores of 83, 89, 78, and 86 on her first four tests. what score must she... (answered by scott8148)