In an examination, a student scores 4 marks for every
correct answer and loses 1 mark for every wrong
answer. If he attempts all 75 questions and secures
125 marks, the number of questions he attempted
correctly, is
Answers
Answered by
2
Answer:
Step-by-step explanation:
Attachments:
Answered by
2
4x-(75-x)= 125
70x=125
x=125/70
Similar questions