Kenji's answer to Jewel chow's Primary 6 Maths Data Analysis Singapore question.
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the square indicates that the portion of files is a right angle in the circle, 90 degrees out of 360 degrees of a circle. 90/360 is 1/4. This means files took 1/4 of the entire cost of stationaries. 1/4 of 48 is then 12. The cost of files is 12 dollars
Date Posted:
4 years ago
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