dibamalik1
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decision mathematics 1, a level

so in exercise 5A , question 2 b, can someone explain why the shortest way is 20? it says the answer is ABECEDEBA (20) but cant u do ABEDECBA which is 19 ?

i recently started decision maths and this is eating at me someone tell me what im doing wrong
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Lemur14
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(Original post by dibamalik1)
decision mathematics 1, a level

so in exercise 5A , question 2 b, can someone explain why the shortest way is 20? it says the answer is ABECEDEBA (20) but cant u do ABEDECBA which is 19 ?

i recently started decision maths and this is eating at me someone tell me what im doing wrong
Can you post a screenshot/photo of the question? Doubt I have access to the textbooks still even if I could remember my login haha
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dibamalik1
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(Original post by Lemur14)
Can you post a screenshot/photo of the question? Doubt I have access to the textbooks still even if I could remember my login haha
Name:  705F8230-79BB-4774-8CCA-B0D5D9CCEF61.jpeg
Views: 8
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the quality isn’t great but here
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Lemur14
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(Original post by dibamalik1)
Name:  705F8230-79BB-4774-8CCA-B0D5D9CCEF61.jpeg
Views: 8
Size:  68.2 KB
the quality isn’t great but here
Apologies, must have missed this
To me it seems you're correct, however I am 2 years out of A level now, so I may have forgotten something important in terms of solving it...
the textbooks did often have mistakes in though, so I wouldn't be surprised!
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