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Question
primary 5 | Maths
| Decimals
3 Answers Below
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Date Posted: 2 years ago
Views: 410
2015 PSLE clone Qn
(a)
98×2 = 196 (Ans)
(b)
98÷7 = 14
14×$1 = $14
$82.30 - $14 = $68.30
Assume all 196 pcs r 20¢
($68.30 - 196×$0.20)÷($0.50-$0.20)
= 97 (Ans)
concept
【Assumption】
98×2 = 196 (Ans)
(b)
98÷7 = 14
14×$1 = $14
$82.30 - $14 = $68.30
Assume all 196 pcs r 20¢
($68.30 - 196×$0.20)÷($0.50-$0.20)
= 97 (Ans)
concept
【Assumption】
See 3 Answers
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For b) can use guess and check. Hope this helps
Date Posted:
2 years ago
Thank u
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Date Posted:
2 years ago
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