AC Lim's answer to Chris's Primary 6 Maths Algebra Singapore question.
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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
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
Date Posted:
4 years ago
Thank you
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