Question

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

Answer 1

Answer:

44

Step-by-step explanation:

it is being given in the attachment

Answer 2

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