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primary 5 | Maths | Whole Numbers
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Jason
Jason

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

Plz help

Date Posted: 2 years ago
Views: 247
sstrike
Sstrike
2 years ago
【excess/shortage】

Excess → $1.40
Shortage → $5.20

Difference → 7-3=4

($5.20+$1.40)÷(7-3)
= $6.80÷4
= $1.70

7×$1.70-$5.20
= 3×$1.70+$1.40
= $6.50 (Ans)

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sstrike
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