SOLUTION: Average- Exam 1+exam 2+ exam 3/3 Unfortunately, Francis can't remember her third exam, but she knows the other two were 84 and 92. She also knows that her exam average is 86. Show
Algebra.Com
Question 920996: Average- Exam 1+exam 2+ exam 3/3 Unfortunately, Francis can't remember her third exam, but she knows the other two were 84 and 92. She also knows that her exam average is 86. Show the substitution with the formula and algebraic work to find her missing score. I don't know how to find the third score.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x = 3•86 - (84+92)
RELATED QUESTIONS
Word Problem
A student is given this formula to calculate their grade for the term
(answered by Fombitz)
aura took three biology exam and has an average score of 88. her second exam was ten... (answered by solver91311)
If Carrie takes 3 1/4 hours to take a final exam what fraction of the exam can she finish (answered by Boreal)
Use an algebraic approach to solve the problem. (Objective 2)
Aura took three biology... (answered by ankor@dixie-net.com)
Use an algebraic approach to solve the problem. (Objective 2)
Aura took three biology... (answered by josgarithmetic)
Sarah's exam score are 73,92 and 84. What scores on the fourth exam will make her... (answered by Nate)
The semester average is computed by taking 1/3 of the midterm exam score plus 2/3 of t he (answered by ankor@dixie-net.com)
Trudy Jones recently completed her certification examination and learned that her z-score (answered by stanbon)
Alexis has taken 3 exams and her average is currently X. On the fourth exam, she scored... (answered by Boreal)