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primary 5 | Maths | Fractions
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Bob
Bob

primary 5 chevron_right Maths chevron_right Fractions chevron_right Singapore

Hi, Please help. Thank you

Date Posted: 5 years ago
Views: 284
Henry Tan
Henry Tan
5 years ago
Hi Bob, I had uploaded video presentation on YouTube https://youtu.be/9yuCdVVjxRQ , you can learn from there, if you are not sure, can msg me.
snell
Snell
5 years ago
total: 9u
keyboard: 135
mouse: 7u-135
left: 2u

7u-135 = 5/9(9u-135)
u = 30

at first, Ivan has 9x30 = $270
Bob
Bob
5 years ago
Thanks a lot.

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AC Lim
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