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Question
primary 6 | Maths
| Ratio
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Before after?
Date Posted: 4 years ago
Views: 254
Before : difference = 4u
After : difference = 0
To reach this difference of 0,
Subtract 32 red markers. Difference becomes smaller by 32.
Then add 24 blue markers. Difference becomes smaller by another 24 .
Total decrease in difference = 24 + 32
= 56
This tells you that the difference for Before is 56 and thus 56 = 4u
1u = 56 ÷ 4 = 14
Red markers at first = 9u
= 9 x 14
= 126
After : difference = 0
To reach this difference of 0,
Subtract 32 red markers. Difference becomes smaller by 32.
Then add 24 blue markers. Difference becomes smaller by another 24 .
Total decrease in difference = 24 + 32
= 56
This tells you that the difference for Before is 56 and thus 56 = 4u
1u = 56 ÷ 4 = 14
Red markers at first = 9u
= 9 x 14
= 126
Tks sir..
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Hope this helps :)
Date Posted:
4 years ago
Thanks..
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