In a class test containing 20 questions , 3 marks are given for every correct answer and -1 marks is given for every incorrect answer. Renu attempt all questions but only 11 of her answers are correct. What is her total score ?
Answers
Answered by
6
Step-by-step explanation:
Let the number of right answers be x and of y be of wrong answers.
11x+9y
11(3)+9(-1)
33-9=24
The score is 24.
Similar questions
Math,
4 months ago
Physics,
4 months ago
Math,
9 months ago
Social Sciences,
11 months ago
English,
11 months ago