In a mathematics quiz, students gain 1.5 marks for every correct answer and -0.5 marks for every wrong answer. If a student gives 5 correct answers and 3 wrong answers what will be his final score. (STEP BY STEP)
Answers
Answered by
3
Answer:
1.5×5= 7.5
-0.5×3=> -1.5
7.5+(-1.5)
=> the student's total marks is 6
Answered by
3
Step-by-step explanation:
Marks gain for every correct answer =1.5
marks deducted for every wrong answer=-0.5
no. of correct answer= 5
marks obtain=5×1.5
=7.5
no. of wrong answers=3
marks deducted=3×-0.5
=-1.5
therefore,total score =7.5+(-1.5)=6
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