Alicia's answer to Shalini and kaviya's Primary 6 Maths Geometry Singapore question.
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You write
Total marks needed by boys to reach class average- 4 times 15
Total marks girl give away - 60
Each girl give - 79-76=3
No. of girls - 60 divided 3 = 20
20+15= 35
ans 35
You write
Total marks needed by boys to reach class average- 4 times 15
Total marks girl give away - 60
Each girl give - 79-76=3
No. of girls - 60 divided 3 = 20
20+15= 35
ans 35
Date Posted:
3 years ago
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