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laiz [17]
3 years ago
15

Alfred is practicing typing. The first time he tested himself, he could type 23 words per minute. After practicing for a week, h

e could type 26 words per minute. After two weeks he could type 29 words per minute. Based on this pattern, predict how fast Alfred will be able to type after 4 weeks of practice
Mathematics
1 answer:
Juliette [100K]3 years ago
5 0
First time 23 words 
after week 26 words
after two weeks 29 words
so after 1 week Alfred is faster on 3 words
so after 4 weeks he could type 35 words per minute
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\frac{4}{5n}*5n-\frac{1}{5}*5n=\frac{2}{5n}*5n\\Solving:\\4 -n = 2\\

Now finding the value of n.

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We can verify by putting value of n in the given question.

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