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Question
primary 6 | Maths
| Ratio
2 Answers Below
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What type of question is it?? How to solve
Date Posted: 1 year ago
Views: 287
$ each ratio
D:N = 3u:2u
8N - 3D = 8×2u-3×3u
= 7u = $28
u = $4
# bought ratio
N:D = 2:1
1 set
2×2u+1×3u = 7u = $28
$200 - $60 = $140
$140÷$28 = 5 sets bought in total
5×2 = 10 (Ans)
CONCEPT
- SET / GROUP
D:N = 3u:2u
8N - 3D = 8×2u-3×3u
= 7u = $28
u = $4
# bought ratio
N:D = 2:1
1 set
2×2u+1×3u = 7u = $28
$200 - $60 = $140
$140÷$28 = 5 sets bought in total
5×2 = 10 (Ans)
CONCEPT
- SET / GROUP
See 2 Answers
done
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same question type
Date Posted:
1 year ago
done
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one more example
【set / group】
【set / group】
Date Posted:
1 year ago
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