Use gcf distributive property to find the sum of 28 and 80.

Step-by-step explanation:
The GCF of 28 and 80 is 4.
Distribute 4 for 28 and 80, then solve:
[tex]4(7) + 4(20) = 28 + 80[/tex]
[tex]4(7 + 20) = 28 + 80[/tex]
[tex]4(27) = 28 + 80[/tex]
[tex]108 = 80 + 28[/tex]