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primary 5 | Maths | Whole Numbers
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primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

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Date Posted: 1 year ago
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AC Lim
Ac Lim's answer
343 answers (A Helpful Person)
1st
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Andrew
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11 answers (Tutor Details)
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Jesse
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4 answers (A Helpful Person)
I used the method assumption.in my case i first assumed that all the questions are correct. Then i minused the assumed number and the actual number . Then i found the differences between the marks awarded for correct and wrong answers
TAKE NOT WHEN THE IS A deduction of marks you must not minuse them however you must add them .
Then i divided 48 to 4 =12(which is the questions he got wrong)
Then i did 40 -12 to find the correct answers