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Mathematics, 20.11.2020 19:50, briannahernand2
1.Bart's grandfather gave him a collection of 780 old books. Bart purchases 20 books every
month to add to the collection. The size of the collection, c, is given by
6
C-780+20m
o
60
where m is the number of months Bart has been collecting. If the collection currently
contains 900 books, how many months has Bart been collecting?
45
84
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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1.Bart's grandfather gave him a collection of 780 old books. Bart purchases 20 books every
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