Question

Karyn proofreads 15 pages in 2 hours for $40.

Answer 1

Hi there.

Since she reads 15 pages in 2 hours, all we have to do to find out how much she reads in 1 hour is divide.

15/2 = 7.5

7.5 pages/hour

Same applies to the pay

40/2 = 20

$20/hour

Karyn proofreading rate is 7.5 pages per hour. Karyn receives on average $20 per hour.

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Answer 2

15/2 is her rate per hour... she proofreads 7 and a half pages in 1 hour and for 20 dollars 

20 / 7.5  is how much does she make per page or 40/15 
she makes roughly $ 2 .66