countrycutey98owl49t countrycutey98owl49t

02-10-2017
Mathematics

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the sum of the page numbers on the facing pages of a book is 69. what are the page numbers.

Respuesta :

02-10-2017

Cool problem !
Two pages of a book that face each other are consecutive integers, and one of them is even and the other one is odd.
So let's look at half of 69.
That's 34.5.
So let's try page 34 and page 35.
That works !

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