jennaworm jennaworm

19-05-2016
Mathematics

contestada

On Monday, 21 DVD's were checked out at the library. This is 3 less than half the amount of books checked out that day. How many books were checked out?

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Аноним Аноним

19-05-2016

DVDs=½b-3
21=½b-3
B=(21+3)÷½
=24*2
=48books

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