Question

Tamara can proofread 12 pages in 6 minutes. How many minutes will it take her to proofread 96 pages?

Answer 1

`48` minutes.

Explanation:

`"12 pages = 6 minutes"`

`12x = 96`

`x=8`

So

`6x = 6 xx 8 = "48 minutes"`

Answer 2

`48` minutes.

Explanation:

If Tamara reads `12` pages in `6` minutes, we just need to find out how many `12` pages there are in `96` pages, to find that

`96/12= 8`

there are `8` sets of `12` pages. If he reads `1` set of `12` pages in `6` minutes, to read `8` of them it takes her `48` minutes.

`8xx6=48`

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Answer 3

`48` minutes

Explanation:

This is a typical direct proportion question, comparing two different quantities, in this case, pages and time.

As the number of pages increases the time taken to read them also increases.

`x/96 = 12/6" "(larr"minutes")/(larr"pages")`

`6x= 96xx12`

`x = (96xx12)/6`

`x = 48` minutes.

You could also simply notice that the time is half as long as the number of pages, therefore `96` pages will take `48` minutes.