stankyMan101 stankyMan101

20-09-2018
Mathematics

contestada

Carol’s book shelf has 4 shelves with 6 books on each.Her Brother Robert has 3 shelves with 7 books on each.They want to combine their books.If they put 9 books on a shelf, how many shelves will they need?

Respuesta :

castroashley49 castroashley49

23-09-2018

they will need 5 shelves because 9x5=45.

6x4= 24

7x3=21

If you add 24 and 21 then you get 45.

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