SOLUTION: a bookshelf can hold 45 books, each 6.3cm thick. how many books, each of thickness 2.1 can it hold?
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Question 6952: a bookshelf can hold 45 books, each 6.3cm thick. how many books, each of thickness 2.1 can it hold?
Answer by bonster(299) (Show Source): You can put this solution on YOUR website!
(45 books)(6.3cm)=283.5 cm
283.5cm=(2.1cm)(x books)
x=135 books
another way to solve this is that we know that 6.3 is 3 times 2.1
so if 6.3=45 books, then multiply 45 books by 3 to get (2.1)(3)=6.3
45x3=135 books
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