An instructor scored a student’s test of 50 questions by subtracting 2 times the number of incorrect answers from the number of correct answers. If the student answered all of the questions and received a score of 38, how many questions did that student answer correctly
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Answered by
4
Answer:
44
Step-by-step explanation:
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Adi26012006:
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Answered by
0
Answer:
x=46
Step-by-step explanation:
No. of correct answers=x
Therefore no. of incorrect answers= (50-x)
Number of correct answers - twice the number of incorrect answers= 38
x-2(50-x)=38
x-100+2x=38
3x=138
x=46
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