SOLUTION: on a standardized test, correct answers are worth 2 points and incorrect answers are worth -1/4 point. alexandra wants to score at least 90 points on the test. if there are 50 ques

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: on a standardized test, correct answers are worth 2 points and incorrect answers are worth -1/4 point. alexandra wants to score at least 90 points on the test. if there are 50 ques      Log On


   



Question 288418: on a standardized test, correct answers are worth 2 points and incorrect answers are worth -1/4 point. alexandra wants to score at least 90 points on the test. if there are 50 questions on the test, what is the greatest number of questions she can miss
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=50
2x-y/4=90
y=40/9
y=4 +
so y=4
max that can be missed is 4
If she misses 4 she loses 1 point and doesn't get 8
So she gets 91
check
46*2=92
92-1=91