Question

in a class test 5 marks a given for every correct answer and -3 marks are given for example incorrect answer and no mark for not attempting Abby question. find how many incorrect answers did Jim give of his score is 46 marks and got 11 correct answers. also find number of correct answers if he got 5 wrong and for a score of 15 marks.
please answer step by step.

[URGENT}

Answer 1

let the number of incorrect answers be x.
and number of correct answer is 1 .(given)
now.11×5+(-3×X)=46

55-3x=46
3x=9
x=3
therefore .no of incorrect answer is 3.
again.
let the no of correct answer is X.
no of incorrect answer is 5. ( given)

now.
-3*5 + X*5 =15
- 15 +5x=15
x=6.
therefore no of correct answer is 6.hope it helps you .
please mark as brainliest.