Final answer:
To model 7 equal groups of 4, use XXXX XXXX XXXX and write 7 x 4 as the multiplication sentence.
Step-by-step explanation:
To model 7 equal groups of 4, we can use XXXX XXXX XXXX.
This represents 7 groups of 4 X's.
The multiplication sentence for this model is 7 x 4, which means we have 7 groups of 4.