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Question
Secondary 1 | Maths
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Date Posted: 4 years ago
Views: 244
100 questions
X are correct, mark = 2x
Wrong questions = 100-x
= 1(100-x)
= 100-x
a) Total marks = 2x - (100-x)
= 2x-100+x
= 3x -100
b) 3x -100 = 143
3x = 243
x= 81
Hope this helps
X are correct, mark = 2x
Wrong questions = 100-x
= 1(100-x)
= 100-x
a) Total marks = 2x - (100-x)
= 2x-100+x
= 3x -100
b) 3x -100 = 143
3x = 243
x= 81
Hope this helps
See 2 Answers
Thanks
done
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Hope this helps
Date Posted:
4 years ago
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