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09-04-2018
Mathematics

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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 snakeweed4453

09-04-2018

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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