Yxcas's answer to Enqi's Primary 5 Maths Area & Volume Singapore question.
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Average = Total sum of numbers / number of numbers
Total sum of numbers = 38 x 7 = 266
Seventh number = 266 - 156 = 110
Total sum of numbers = 38 x 7 = 266
Seventh number = 266 - 156 = 110
Date Posted:
8 months ago