krispy1210 krispy1210

24-03-2016
Mathematics

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Peter is reading a 193-page book. He has read three pages more than one-fourth of the number of pages he hasn’t yet read. How many pages has he not yet read?

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Аноним Аноним

24-03-2016

Let X be amount of pages that he has NOT yet read.
So he read (x/4+3) pages
Book has 193 pages. This means that x+(x/4+3)=193
x+(x/4+3)=193
5x/4+3=193
5x/4=190
x=190*4/5
x=152 pages he hasn't read yet

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