Answer:
(6 x 2) /3
Explanation:
(6 x 2) / 3
(Six times two) divided by three
Use Pemdas.
Parenthesis-Exponents-Multiplication-Division-Addition-Subtraction
6 multiplied by 2 equals 12
12 divided by 3 equals 4.
There are 4 shirts on each shelf.
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On the other hand though, if this question is looking for the total amount of shirts in general, it would be 12.