Question

if 144 books are placed equally on a
each shelf?
144 books are
Shelves, how many
​

Answer 1

Answer:

$\\ \sqrt{144} = \sqrt{12 \times 12} = 12 \: shelves$

Answer 2

Answer:

144

$144 \times 12 = 1728 \\ 1728$

so answers is 1728