Answer:
(D)seven red tiles plus three red tiles
Explanation:
Given the problem
[tex]-7+(-3)[/tex]We represent negative numbers using Red Tiles.
Therefore, representing this using colored tiles would be:
[tex]\begin{gathered} -7=\text{Seven Red Tiles} \\ -3=\text{Three Red Tiles} \\ \text{Therefore:} \\ -7+(-3)=\text{Seven Red Tiles}+\text{Three Red Tiles} \end{gathered}[/tex]