SOLUTION: Your current average counts as 80% and the semester test counts as 20% of your final grade. What must you make on the semester test to raise your current average of 88to an A? The

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Your current average counts as 80% and the semester test counts as 20% of your final grade. What must you make on the semester test to raise your current average of 88to an A? The       Log On


   

Question 1144198: Your current average counts as 80% and the semester test counts as 20% of your final grade. What must you make on the semester test to raise your current average of 88to an A? The lowest possible A is an 89.5.
Answer by ikleyn(52832) About Me  (Show Source):
You can put this solution on YOUR website!
.

Let x be the value under the question.


Then from the condition, you have this inequality


    0.80*88 + 0.20*x >= 89.5


The solution is  x >= %2889.5-0.80%2A88%29%2F0.20 = 95.5.


If your scores are INTEGER numbers, then you must make at least 96 at your semester test.