The total cost of the shirts is $20.80.
It is a property associated with binary operations. When a number is multiplied by another number with multiple terms inside a bracket, when the bracket is opened, the number outside is multiplied by each term inside the bracket. This can be demonstrated below:
a(b+c)=ab+ac
It is given that the cost of each of the two shirts is 10.40 dollars.
This can also be written as:
10.40 = 10 + 0.40
The distributive property is associated with binary operations. When a number is multiplied by another number with multiple terms inside a bracket, when the bracket is opened, the number outside is multiplied by each term inside the bracket.
We have to buy two shirts. Therefore total cost can be found as shown below:
2*(10 + 0.40) = 20 + 0.80
= 20.80
Therefore, we have found that the total cost of the shirts is $20.80.
Learn more about the distributive property here: https://brainly.com/question/1780105
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