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Question
primary 5 | Maths
| Whole Numbers
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My answer is too weird
Date Posted: 4 years ago
Views: 253
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done
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clear
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You got 90.5 which is the average of the two tests, so using 92, the average of the three tests was not correct. The method I used was the simplest, which was to find the sum of the marks needed and then to subtract off the first and second marks to find the last.
Date Posted:
4 years ago
Thanks
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