Juliana's answer to TIA's Primary 5 Maths Whole Numbers Singapore question.
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S+J= $110
S+R= $50
Since Siti was the only one in common, 110-50 =J-R
J: 4 units
R: 1 unit
4-1=3
3 units = 110-50 = 60
1 unit = 20
R is 1 unit ($20)
50-20=30 ✓✓
S+R= $50
Since Siti was the only one in common, 110-50 =J-R
J: 4 units
R: 1 unit
4-1=3
3 units = 110-50 = 60
1 unit = 20
R is 1 unit ($20)
50-20=30 ✓✓
Date Posted:
1 year ago
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