What mathematical expression calculates the number of solid shirts sold by Katie if she sold 192 shirts and 1/3 were patterned?

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To determine the number of solid shirts sold by Katie, we need to calculate the proportion of shirts that are not patterned. Since 1/3 of the shirts sold were patterned, it follows that the remaining portion, which represents the solid shirts, is 1 - 1/3. This subtraction gives us the fraction of the total shirts that are solid:

1 - 1/3 = 2/3.

To find the number of solid shirts, we multiply the total number of shirts sold (192) by the fraction representing the solid shirts (2/3):

192 × (2/3).

This calculation accurately provides the number of solid shirts sold since it takes into account the portion of the shirts that were patterned and deducts that from the total. Thus, the choice reflecting this mathematical operation is correct, as it leads directly to the right answer about the total number of solid shirts sold.

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