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Andre and Elena are reading the same book over the summer.. Andre says he has read 1/5 of the book. Elena says she has read 20 more pages than Andre. If Elena is on page 55, how many pages are in the book?

 Jan 22, 2020
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If Elena is on page 55 and has read 20 more pages than Andre, it means Andre is on page 35.

 

If we let x be the number of pages in the book, we can express this as x*0.2=35.  In other words 20% of x is 35.

If x*0.2=35 then x=35/0.2

 

Cheers

 Jan 22, 2020
edited by danne9000  Jan 22, 2020

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