Asked by alisha

lara arranged the books in her bookshelf by size. 2/10 of the books were tall and 1/2 of the books were medeium sized. If 12 of the books were small, how manyu total books did she arrange?
Answered by Ms. Sue
2/10 + 5/10 = 7/10

(3/10)x = 12
x = 12/(3/10)
x = 12 * (10/3)
x = 120/3
x = ?

Answered by alisha
could you please explain how you got 5/10 and 3/10?
Answered by Ms. Sue
1/2 = 5/10

10/10 - 7/10 = 3/10

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