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Question
primary 5 | Maths
| Fractions
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Please solve the problem
Date Posted: 3 years ago
Views: 379
P5 → 【assumption】
assume all 300 r 20¢
($90-300×$0.20)÷($0.50-$0.20)
= 100 (Ans)
Check:
100×$0.50 + 200×$0.20
= $90 ✓✓✓✓
assume all 300 r 20¢
($90-300×$0.20)÷($0.50-$0.20)
= 100 (Ans)
Check:
100×$0.50 + 200×$0.20
= $90 ✓✓✓✓
See 1 Answer
done
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Assumption method
Date Posted:
3 years ago
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