7 oranges would cost $1.45 at $2.49 per dozen (tax excluded).
Given the following data;
To find how much 7 oranges would cost;
First of all, we would have to determine the cost of each orange.
Note: A dozen is equal to 12.
[tex]Cost \;of \;each \;orange = \frac{Total \; cost}{number \; of \;oranges}[/tex]
[tex]Cost \;of \;each \;orange = \frac{2.49}{12}[/tex]
Cost of each orange = $0.2075
Next, we would calculate the cost of 7 oranges;
[tex]Cost \;of \;7 \;oranges = 7[/tex] × [tex]Cost \;of \;each \;orange[/tex]
[tex]Cost \;of \;7 \;oranges = 7[/tex] × [tex]0.2075[/tex]
Cost of 7 oranges = $1.45
Therefore, the cost of 7 oranges is $1.45.
Find more information: https://brainly.com/question/17428946
