Question
amelia gets 4 points for each correct answer and loses 1 point for each worng answer. One her last quiz she earned 50 points and answered 25 questions. write a system of equations
Answers
PsyDAG
to do what?
Mark
c = number of correct answers
Amelia gets 4 points for each correct answer so...
4c = how many points she gets from answering correctly
Points deducted = 1(25-c)
25 is number of questions
Therefore...
4c-1(25-c)=50
Amelia gets 4 points for each correct answer so...
4c = how many points she gets from answering correctly
Points deducted = 1(25-c)
25 is number of questions
Therefore...
4c-1(25-c)=50