AC Lim's answer to O help's Primary 5 Maths Whole Numbers Singapore question.
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Date Posted:
1 year ago
May I understand why 14 - 12?
Thanks!
Thanks!
At 1st average is 12 then after bought another 2 toys, the average became 14.
So we know that average for every toys at 1st increased by 14-12=$2
So we know that average for every toys at 1st increased by 14-12=$2
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