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Primary 4 | Maths
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Shahid
Shahid

Primary 4 chevron_right Maths chevron_right Singapore

Please help, thank you in advance.

Date Posted: 4 years ago
Views: 426
snell
Snell
4 years ago
29.
before
sg stamps: 2u
my stamps: 486-2u

after
sg stamps: u
my stamps: 486-2u+63 = 549-2u

u = 549-2u
u = 183

at first, 183x2 = 366 sg stamps.


***
snell
Snell
4 years ago
30.

factors of 15 are 1, 3, 5 & 15

sum = 1+3+5+15 = 24

multiples of 8 are:
8, 16, 24, ...

so the no. is 8.


...
Shahid
Shahid
4 years ago
Thank you so much..
snell
Snell
4 years ago
welcome

See 2 Answers

Half of the Singapore stamps was given away. Another 63 Malaysia stamps were added. After the change, the stamps become the same.
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Mhiru
Mhiru's answer
48 answers (A Helpful Person)
1st
Shahid
Shahid
4 years ago
Thank you
Mhiru
Mhiru
4 years ago
No problem if you need any help please feel free to ask me
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Mhiru
Mhiru's answer
48 answers (A Helpful Person)
Hope you understand