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primary 6 | Maths | Algebra
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Chris
Chris

primary 6 chevron_right Maths chevron_right Algebra chevron_right Singapore

Please help.

Date Posted: 4 years ago
Views: 248
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AC Lim
AC Lim
4 years ago
Joyce mark different 20-4 =16
Average mark different 80-78 =2
Number of member = 16÷2 =8
Therefore, joyce and 7 friends.
Answer... 7 friends join the calculation.
Hope this helps

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Joyce mark different 20-4 =16
Average mark different 80-78 =2
Number of member = 16÷2 =8
Therefore, joyce and 7 friends.
Answer... 7 friends join the calculation.
Hope this helps
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AC Lim
Ac Lim's answer
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Chris
Chris
4 years ago
Thank you