7 Jane gets 2 marks for each
correct answer and loses 1
mark for each incorrect answer.
S...
![subject](/tpl/images/cats/mat.png)
Mathematics, 25.01.2021 14:00 djkk1367
7 Jane gets 2 marks for each
correct answer and loses 1
mark for each incorrect answer.
She does 16 sums and obtains 29
marks. The number of correct
answers were:
16
15
14
17
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Answers: 2
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