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primary 6 | Maths | Algebra
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Priyanka
Priyanka

primary 6 chevron_right Maths chevron_right Algebra chevron_right Singapore

Plz help me answer this

Date Posted: 4 years ago
Views: 301

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Jibolo !!!!!
Jibolo !!!!!'s answer
70 answers (A Helpful Person)
1st
Method 1
Priyanka
Priyanka
4 years ago
Can you please show me guess and check method??
Jibolo !!!!!
Jibolo !!!!!
4 years ago
While arrange in 13s, there are +6, while arrange in 15s, there are -4, the difference is 10. What caused the difference? The difference for 1row is 15-13=2, there must be 10/2 = 5rows. Hope this helps. I don’t know guess and check method.
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Jibolo !!!!!
Jibolo !!!!!'s answer
70 answers (A Helpful Person)
Method 2
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Jibolo !!!!!
Jibolo !!!!!'s answer
70 answers (A Helpful Person)
Non algebra method