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

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Answer 1 · 2017-07-04T21:38:38

$48$ minutes.

$"12 pages = 6 minutes"$

$12x = 96$

$x=8$

So

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

Answer 2 · 2017-07-04T21:40:23

$48$ minutes.

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 · 2017-07-07T08:26:09

$48$ minutes

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.