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Primary 4 | Maths
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Awkward Bean
Awkward Bean

Primary 4 chevron_right Maths

How do I do this?

Date Posted: 6 years ago
Views: 500

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KEE EN
Kee En's answer
47 answers (Tutor Details)
1st
This method is called listing.
so we start listing possible total numbers. starting from multiples of 7, and then +1 (for the remainder)
we assume if he has 43/50/57..so on
and then we do the same for multiples of 8 and then we see the common possible total number which is 43 in this case.
Awkward Bean
Awkward Bean
6 years ago
Thanks for the help