Seudónimo Seudónimo

01-03-2017
Mathematics

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pls help me....I have put a picture with the question

pls help meI have put a picture with the question class=

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Аноним Аноним

01-03-2017

For the first one, it should be 5x=50-30 which 5x=20 and x=4 so she needs to read 4 books
For the second one, it should be
(50-(7*5)/5)*7 or (50-35/5)*7= 5*7=35
Sorry if I'm wrong!

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