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primary 6 | Maths | Measurement
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Nancy
Nancy

primary 6 chevron_right Maths chevron_right Measurement chevron_right Singapore

Can someone help me with this question with assumption method and not guess and check

Date Posted: 2 years ago
Views: 197
sstrike
Sstrike
2 years ago
assume all 20 pcs r sausage

20 × $1.50 = $30

$18 + $30 = $48

$1.50 + $2.50 = $4

$48 ÷ $4 = 12 (Ans)

Chk
C → 12 × $2.50 = $30
S → (20-12) × $1.50 = $12

C-S = $30 - $12 = $18 ✓✓✓
Nancy
Nancy
2 years ago
Tyvm
sstrike
Sstrike
2 years ago
welm

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sstrike
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