nick has 12 books on each shelf he has a total of 72 books. how many shelves are in the bookcase write an equation

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(1) Answers

kevinbenavente1

The first way is through an equation:
12x = 72 (To get x by itself, we divide 12 on either side.)
(12/12 = x)
(72/12 = 6)
∴ x = 6; there are 6 shelves in the bookcase.
There are two ways to do this: random numbers, or an equation.
Check the answer:
12 * 2 = 24
12 * 3 = 36
12 * 4 = 48
12 * 5 = 60
12 * 6 = 72
Therefore, there really are 6 shelves in the bookcase.