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It took Sergio 1.5 hours to read 3 chapters of a book. If he continues reading at a constant rate and the chapters are similar in length, how many hours will it take Sergio to complete the entire book if it is 18 chapters long?

Respuesta :

1673892

Answer:

9

Explanation:

Well, let's take a closer look at your problem. We know that Sergio can read 3 chapters in 1.5 hours. If he reads for 18 hours, then we can multiply 1.5 by 6, since 3 times 6 = 18. 1.5 times 6 is 9.

We can also set up a proportion and solve from there..

3/1.5 = 18/x

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