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Cesar’s sixth-grade class sorted books in the library. The class sorted 45 book start in 90 minutes write an equivalent ratio to find how long it would take to sort 120 books

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snakeweed4453
well it took him 45:90 (45 books 90 mins)


so all you have to is find out how many books per minute

90/45=2


so books per minute


now do 120 x 2= 240

ratio is now  240:120



                                         CHECK!


divide 240 by 120 and you get 2

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