In a test with 26 questions, five points were deducted for each wrong answer and eight points were added for each correct answer. If all the questions were answered, how many were answered correctly if the score was zero?
Answers
Answered by
2
Step-by-step explanation:
Let X be the number for the wrong
answer
26-xbe the number for the correct
answer
then Xx-5 +(26-x) 8=0
- 5x+208-8x=0
-13x=-208
x =--208/-13 = 16
x=16 wrong answer
26-x = 26-16=10 Correct answer
Answered by
0
Answer:
srugjbdgcih
Step-by-step explanation:
hello good morning..
Similar questions