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## Question

primary 5 | Maths | Fractions
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##### Mike

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Pls help. Tq

Date Posted: 11 months ago
Views: 64

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##### Ac Lim's answer
4712 answers (A Helpful Person)
1st
Hope this help
Date Posted: 11 months ago
Mike
11 months ago
May i know why need times 3?
AC Lim
11 months ago
We need to eliminate either cake or pie, in this case, cake have more u. i.e 6u, so we choose to eliminate the pie. 3u, therefore we able to find cake 1u.

Total
Cake =6u
Pie=3u

Given 1cake and 1pie=80
3 cake + 3 pie = 240 (all time 3)

Total cake and pie = 300
3 cake + 3 cake +3 pie = 300
3 cake + ( 240) = 300 —-> 240 = 3cake +3pie

....
.... 1cake=20
Mike
11 months ago
Got it. Thank u so much.
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##### Sstrike's answer
125 answers (A Helpful Person)
Ans: 120
Date Posted: 11 months ago
Mike
11 months ago
Thank u