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Question
primary 5 | Maths
| Whole Numbers
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Pls help with the question to solve without using algebra.
Date Posted: 1 year ago
Views: 249
If use unit, are you acceptable?
Mean
Jane + Kelly + Lina = 6u
While Kelly = 1u
Therefore, Jane + Lina = 5u
Mean
Jane + Kelly + Lina = 6u
While Kelly = 1u
Therefore, Jane + Lina = 5u
Jane + Kelly = 212 → Jane + 1u = 212
Lina + Kelly = 334 → Lina + 1u = 334
Jane + Kelly + Lina + Kelly = 212+334
Jane + 1u + Lina + 1u = 546
Jane + Lina +2u = 546
As we know, Jane + Lina = 5u
5u + 2u = 546
7u = 546
1u = 78
Kelly have 1u = $78.
Lina + Kelly = 334 → Lina + 1u = 334
Jane + Kelly + Lina + Kelly = 212+334
Jane + 1u + Lina + 1u = 546
Jane + Lina +2u = 546
As we know, Jane + Lina = 5u
5u + 2u = 546
7u = 546
1u = 78
Kelly have 1u = $78.
Thank you!
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Date Posted:
1 year ago
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