Those shapes are congruent
He is incorrect because if the ratio is that for every 6 ft on the model is 8 feet in real life, he already exceeded his Kennedy's height by 2.
Divide each side by 17 and you get x>1
It would be: 6 ( 6- 4)
= 6 ( 2)
= 12
So, Your Answer would be 12
Hope this helps!
7x4=28 7 packs
-3 packs
~~4~~packs
4x4=16 notebooks
FYI:im in 3rd grade