SOLUTION: I have a 91 average. I got a grade that was a 71 which is 10%. Then I got 100 which is 40%. What is my average?
Algebra.Com
Question 823540:  I have a 91 average. I got a grade that was a 71 which is 10%. Then I got 100 which is 40%. What is my average?
 
Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
 ---
50*91 + 10*71 + 40*100 = 100g
g = (50*91 + 10*71 + 40*100)/100
g = 92.6%
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php 
RELATED QUESTIONS
if my average was 92 and i got a 73 on my test wich is 40 percent of my grade what would... (answered by tommyt3rd)
I have a 71% in one of my classes and on a test worth 10% I got a 72% what is my new... (answered by ewatrrr)
I have a 91% in the class and I got 76% on the final which count 15% what is my overall... (answered by TimothyLamb)
I have a 91% in my class. I took the final and got an 86%. The final is worth 10% of my... (answered by ptfile)
I have a class average of 81. My test grade today was 44 which is 60% of my final grade.... (answered by Alan3354)
I have a  85.14% I got a 60 % on my final which was worth 25% of my grade. What is my... (answered by richwmiller)
My math average is a 98, but today I got a 71. What will my average be... (answered by Fombitz)
If i have a 71 in my Geometry class and i get a 0 on my final exam which is worth 10... (answered by ewatrrr)
if I have a 81 average and I make a 0 on my final which is 10 percent of my grade what... (answered by Theo)