SOLUTION: I had an 80 in my class. I took a test worth 15% and my grade dropped to a 73. What did I get for a grade on my test?

Algebra ->  Average -> SOLUTION: I had an 80 in my class. I took a test worth 15% and my grade dropped to a 73. What did I get for a grade on my test?      Log On


   



Question 941638: I had an 80 in my class. I took a test worth 15% and my grade dropped to a 73. What did I get for a grade on my test?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
(1 - 0.15)*80 + 0.15x = 73
0.15x = 73 - (1 - 0.15)*80
x = ( 73 - (1 - 0.15)*80 ) / 0.15
x = 33.333333333
---
Free algebra tutoring live chat:
https://sooeet.com/chat.php?gn=algebra
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations with 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
---