Answer:
17ft.
Step-by-step explanation:
Since the bottom of the small arrow is 4ft and the bottom of the large arrow is 14 t, we know that the arrows increase by 10ft. With that information, we can add 10ft to 7ft making the length of PQ 17ft.
4+10=14
10
7+10=17
=17ft.
Hope this helps :)
