If 3/8 of a book can be read in 6 days, how many days will it take to read the entire book at the same rate?

It would take 16 days to read the entire book

When looking at this question we can do a ratio. “For every 3/8th of a book, it can be read in 6 days.” The ratio (while usually do not have fractions in them) would be similar to 6:3/8. We then want to look at how to get 3/8 as a one (or the entire book read). To do this we can divide each number by 3/8 to get 3/8 to one because 3/8 DIVIDED BY 3/8 is 1. 6 DIVIDED BY 3/8 is 16 days.

Another way to do this is by figuring out how many days occurs to do only 1/8 of the book. To find this we want to use the same ratio (3/8:6) and divide by 3 on each side which will give the new ratio 1/8:2. We can then see that for every 2 days, an eighth of the book is read. Multiplying by 8 on each side will then give the ratio 1:16 (or it takes 16 days for the entire book to be read)

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What are the options